Finding the Third Proportional to 19,112.63 and 39,075.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,112.63 : 39,075.75 = 39,075.75 : x
2. Step 2: Convert to fraction form
   19,112.63/39,075.75 = 39,075.75/x
3. Step 3: Cross multiply
   19,112.63x = 39,075.75 × 39,075.75
4. Step 4: Simplify right side
   19,112.63x = 1,526,914,238.06
5. Step 5: Solve for x
   x = 1,526,914,238.06/19,112.63
6. Step 6: Final answer
   x = 79,890.35