Finding the Third Proportional to 242,227.13 and 521,470.69

Step by Step Solution

1. Step 1: Write the proportion equation
   242,227.13 : 521,470.69 = 521,470.69 : x
2. Step 2: Convert to fraction form
   242,227.13/521,470.69 = 521,470.69/x
3. Step 3: Cross multiply
   242,227.13x = 521,470.69 × 521,470.69
4. Step 4: Simplify right side
   242,227.13x = 271,931,677,921.72
5. Step 5: Solve for x
   x = 271,931,677,921.72/242,227.13
6. Step 6: Final answer
   x = 1,122,630.99