Finding the Third Proportional to 72,979.50 and 109,470.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,979.50 : 109,470.38 = 109,470.38 : x
2. Step 2: Convert to fraction form
   72,979.50/109,470.38 = 109,470.38/x
3. Step 3: Cross multiply
   72,979.50x = 109,470.38 × 109,470.38
4. Step 4: Simplify right side
   72,979.50x = 11,983,763,002.64
5. Step 5: Solve for x
   x = 11,983,763,002.64/72,979.50
6. Step 6: Final answer
   x = 164,207.25