Finding the Third Proportional to 436,753 and 655,129.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,753 : 655,129.50 = 655,129.50 : x
2. Step 2: Convert to fraction form
   436,753/655,129.50 = 655,129.50/x
3. Step 3: Cross multiply
   436,753x = 655,129.50 × 655,129.50
4. Step 4: Simplify right side
   436,753x = 429,194,661,770.25
5. Step 5: Solve for x
   x = 429,194,661,770.25/436,753
6. Step 6: Final answer
   x = 982,694.25