Finding the Third Proportional to 435,573 and 653,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,573 : 653,359.50 = 653,359.50 : x
2. Step 2: Convert to fraction form
   435,573/653,359.50 = 653,359.50/x
3. Step 3: Cross multiply
   435,573x = 653,359.50 × 653,359.50
4. Step 4: Simplify right side
   435,573x = 426,878,636,240.25
5. Step 5: Solve for x
   x = 426,878,636,240.25/435,573
6. Step 6: Final answer
   x = 980,039.25