Finding the Third Proportional to 82,715 and 108,156

Step by Step Solution

1. Step 1: Write the proportion equation
   82,715 : 108,156 = 108,156 : x
2. Step 2: Convert to fraction form
   82,715/108,156 = 108,156/x
3. Step 3: Cross multiply
   82,715x = 108,156 × 108,156
4. Step 4: Simplify right side
   82,715x = 11,697,720,336
5. Step 5: Solve for x
   x = 11,697,720,336/82,715
6. Step 6: Final answer
   x = 141,422.00