Finding the Third Proportional to 473,472 and 637,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   473,472 : 637,915.50 = 637,915.50 : x
2. Step 2: Convert to fraction form
   473,472/637,915.50 = 637,915.50/x
3. Step 3: Cross multiply
   473,472x = 637,915.50 × 637,915.50
4. Step 4: Simplify right side
   473,472x = 406,936,185,140.25
5. Step 5: Solve for x
   x = 406,936,185,140.25/473,472
6. Step 6: Final answer
   x = 859,472.55