Finding the Third Proportional to 72,510 and 102,110

Step by Step Solution

1. Step 1: Write the proportion equation
   72,510 : 102,110 = 102,110 : x
2. Step 2: Convert to fraction form
   72,510/102,110 = 102,110/x
3. Step 3: Cross multiply
   72,510x = 102,110 × 102,110
4. Step 4: Simplify right side
   72,510x = 10,426,452,100
5. Step 5: Solve for x
   x = 10,426,452,100/72,510
6. Step 6: Final answer
   x = 143,793.30