Finding the Third Proportional to 72,646.50 and 108,966

Step by Step Solution

1. Step 1: Write the proportion equation
   72,646.50 : 108,966 = 108,966 : x
2. Step 2: Convert to fraction form
   72,646.50/108,966 = 108,966/x
3. Step 3: Cross multiply
   72,646.50x = 108,966 × 108,966
4. Step 4: Simplify right side
   72,646.50x = 11,873,589,156
5. Step 5: Solve for x
   x = 11,873,589,156/72,646.50
6. Step 6: Final answer
   x = 163,443.38