Finding the Third Proportional to 71,288 and 152,124

Step by Step Solution

1. Step 1: Write the proportion equation
   71,288 : 152,124 = 152,124 : x
2. Step 2: Convert to fraction form
   71,288/152,124 = 152,124/x
3. Step 3: Cross multiply
   71,288x = 152,124 × 152,124
4. Step 4: Simplify right side
   71,288x = 23,141,711,376
5. Step 5: Solve for x
   x = 23,141,711,376/71,288
6. Step 6: Final answer
   x = 324,622.82