Finding the Third Proportional to 15,672.87 and 34,459.17

Step by Step Solution

1. Step 1: Write the proportion equation
   15,672.87 : 34,459.17 = 34,459.17 : x
2. Step 2: Convert to fraction form
   15,672.87/34,459.17 = 34,459.17/x
3. Step 3: Cross multiply
   15,672.87x = 34,459.17 × 34,459.17
4. Step 4: Simplify right side
   15,672.87x = 1,187,434,526.31
5. Step 5: Solve for x
   x = 1,187,434,526.31/15,672.87
6. Step 6: Final answer
   x = 75,763.71