Finding the Third Proportional to 125,007.50 and 198,582

Step by Step Solution

1. Step 1: Write the proportion equation
   125,007.50 : 198,582 = 198,582 : x
2. Step 2: Convert to fraction form
   125,007.50/198,582 = 198,582/x
3. Step 3: Cross multiply
   125,007.50x = 198,582 × 198,582
4. Step 4: Simplify right side
   125,007.50x = 39,434,810,724
5. Step 5: Solve for x
   x = 39,434,810,724/125,007.50
6. Step 6: Final answer
   x = 315,459.56