Finding the Third Proportional to 436,632 and 656,569.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,632 : 656,569.50 = 656,569.50 : x
2. Step 2: Convert to fraction form
   436,632/656,569.50 = 656,569.50/x
3. Step 3: Cross multiply
   436,632x = 656,569.50 × 656,569.50
4. Step 4: Simplify right side
   436,632x = 431,083,508,330.25
5. Step 5: Solve for x
   x = 431,083,508,330.25/436,632
6. Step 6: Final answer
   x = 987,292.52