Finding the Third Proportional to 78,960 and 108,552

Step by Step Solution

1. Step 1: Write the proportion equation
   78,960 : 108,552 = 108,552 : x
2. Step 2: Convert to fraction form
   78,960/108,552 = 108,552/x
3. Step 3: Cross multiply
   78,960x = 108,552 × 108,552
4. Step 4: Simplify right side
   78,960x = 11,783,536,704
5. Step 5: Solve for x
   x = 11,783,536,704/78,960
6. Step 6: Final answer
   x = 149,234.25