Finding the Third Proportional to 12,739,247,213,188 and 28,075,158,730,664

Step by Step Solution

1. Step 1: Write the proportion equation
   12,739,247,213,188 : 28,075,158,730,664 = 28,075,158,730,664 : x
2. Step 2: Convert to fraction form
   12,739,247,213,188/28,075,158,730,664 = 28,075,158,730,664/x
3. Step 3: Cross multiply
   12,739,247,213,188x = 28,075,158,730,664 × 28,075,158,730,664
4. Step 4: Simplify right side
   12,739,247,213,188x = 788,214,537,751,978,998,321,119,232
5. Step 5: Solve for x
   x = 788,214,537,751,978,998,321,119,232/12,739,247,213,188
6. Step 6: Final answer
   x = 61,872,928,954,231.99