Finding the Third Proportional to 72,949.50 and 107,055

Step by Step Solution

1. Step 1: Write the proportion equation
   72,949.50 : 107,055 = 107,055 : x
2. Step 2: Convert to fraction form
   72,949.50/107,055 = 107,055/x
3. Step 3: Cross multiply
   72,949.50x = 107,055 × 107,055
4. Step 4: Simplify right side
   72,949.50x = 11,460,773,025
5. Step 5: Solve for x
   x = 11,460,773,025/72,949.50
6. Step 6: Final answer
   x = 157,105.57