Finding the Third Proportional to 72,969 and 108,480

Step by Step Solution

1. Step 1: Write the proportion equation
   72,969 : 108,480 = 108,480 : x
2. Step 2: Convert to fraction form
   72,969/108,480 = 108,480/x
3. Step 3: Cross multiply
   72,969x = 108,480 × 108,480
4. Step 4: Simplify right side
   72,969x = 11,767,910,400
5. Step 5: Solve for x
   x = 11,767,910,400/72,969
6. Step 6: Final answer
   x = 161,272.74