Finding the Third Proportional to 79,713 and 108,315

Step by Step Solution

1. Step 1: Write the proportion equation
   79,713 : 108,315 = 108,315 : x
2. Step 2: Convert to fraction form
   79,713/108,315 = 108,315/x
3. Step 3: Cross multiply
   79,713x = 108,315 × 108,315
4. Step 4: Simplify right side
   79,713x = 11,732,139,225
5. Step 5: Solve for x
   x = 11,732,139,225/79,713
6. Step 6: Final answer
   x = 147,179.75