Finding the Third Proportional to 45,518 and 99,024.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,518 : 99,024.50 = 99,024.50 : x
2. Step 2: Convert to fraction form
   45,518/99,024.50 = 99,024.50/x
3. Step 3: Cross multiply
   45,518x = 99,024.50 × 99,024.50
4. Step 4: Simplify right side
   45,518x = 9,805,851,600.25
5. Step 5: Solve for x
   x = 9,805,851,600.25/45,518
6. Step 6: Final answer
   x = 215,428.00