Finding the Third Proportional to 242,677.50 and 372,468

Step by Step Solution

1. Step 1: Write the proportion equation
   242,677.50 : 372,468 = 372,468 : x
2. Step 2: Convert to fraction form
   242,677.50/372,468 = 372,468/x
3. Step 3: Cross multiply
   242,677.50x = 372,468 × 372,468
4. Step 4: Simplify right side
   242,677.50x = 138,732,411,024
5. Step 5: Solve for x
   x = 138,732,411,024/242,677.50
6. Step 6: Final answer
   x = 571,673.97