Finding the Third Proportional to 78,940.50 and 125,484

Step by Step Solution

1. Step 1: Write the proportion equation
   78,940.50 : 125,484 = 125,484 : x
2. Step 2: Convert to fraction form
   78,940.50/125,484 = 125,484/x
3. Step 3: Cross multiply
   78,940.50x = 125,484 × 125,484
4. Step 4: Simplify right side
   78,940.50x = 15,746,234,256
5. Step 5: Solve for x
   x = 15,746,234,256/78,940.50
6. Step 6: Final answer
   x = 199,469.65