Finding the Third Proportional to 465,930.25 and 637,588

Step by Step Solution

1. Step 1: Write the proportion equation
   465,930.25 : 637,588 = 637,588 : x
2. Step 2: Convert to fraction form
   465,930.25/637,588 = 637,588/x
3. Step 3: Cross multiply
   465,930.25x = 637,588 × 637,588
4. Step 4: Simplify right side
   465,930.25x = 406,518,457,744
5. Step 5: Solve for x
   x = 406,518,457,744/465,930.25
6. Step 6: Final answer
   x = 872,487.80