Finding the Third Proportional to 637,365 and 978,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   637,365 : 978,331.50 = 978,331.50 : x
2. Step 2: Convert to fraction form
   637,365/978,331.50 = 978,331.50/x
3. Step 3: Cross multiply
   637,365x = 978,331.50 × 978,331.50
4. Step 4: Simplify right side
   637,365x = 957,132,523,892.25
5. Step 5: Solve for x
   x = 957,132,523,892.25/637,365
6. Step 6: Final answer
   x = 1,501,702.36