Finding the Third Proportional to 473,487 and 637,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   473,487 : 637,936.50 = 637,936.50 : x
2. Step 2: Convert to fraction form
   473,487/637,936.50 = 637,936.50/x
3. Step 3: Cross multiply
   473,487x = 637,936.50 × 637,936.50
4. Step 4: Simplify right side
   473,487x = 406,962,978,032.25
5. Step 5: Solve for x
   x = 406,962,978,032.25/473,487
6. Step 6: Final answer
   x = 859,501.90