Finding the Third Proportional to 105,552 and 215,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,552 : 215,401.50 = 215,401.50 : x
2. Step 2: Convert to fraction form
   105,552/215,401.50 = 215,401.50/x
3. Step 3: Cross multiply
   105,552x = 215,401.50 × 215,401.50
4. Step 4: Simplify right side
   105,552x = 46,397,806,202.25
5. Step 5: Solve for x
   x = 46,397,806,202.25/105,552
6. Step 6: Final answer
   x = 439,572.97