Finding the Third Proportional to 691,459.50 and 932,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   691,459.50 : 932,131.50 = 932,131.50 : x
2. Step 2: Convert to fraction form
   691,459.50/932,131.50 = 932,131.50/x
3. Step 3: Cross multiply
   691,459.50x = 932,131.50 × 932,131.50
4. Step 4: Simplify right side
   691,459.50x = 868,869,133,292.25
5. Step 5: Solve for x
   x = 868,869,133,292.25/691,459.50
6. Step 6: Final answer
   x = 1,256,572.70