Finding the Third Proportional to 4,272,093 and 8,702,820

Step by Step Solution

1. Step 1: Write the proportion equation
   4,272,093 : 8,702,820 = 8,702,820 : x
2. Step 2: Convert to fraction form
   4,272,093/8,702,820 = 8,702,820/x
3. Step 3: Cross multiply
   4,272,093x = 8,702,820 × 8,702,820
4. Step 4: Simplify right side
   4,272,093x = 75,739,075,952,400
5. Step 5: Solve for x
   x = 75,739,075,952,400/4,272,093
6. Step 6: Final answer
   x = 17,728,798.50