Finding the Third Proportional to 79,281 and 108,715

Step by Step Solution

1. Step 1: Write the proportion equation
   79,281 : 108,715 = 108,715 : x
2. Step 2: Convert to fraction form
   79,281/108,715 = 108,715/x
3. Step 3: Cross multiply
   79,281x = 108,715 × 108,715
4. Step 4: Simplify right side
   79,281x = 11,818,951,225
5. Step 5: Solve for x
   x = 11,818,951,225/79,281
6. Step 6: Final answer
   x = 149,076.72