Finding the Third Proportional to 72,169.59 and 103,957.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,169.59 : 103,957.31 = 103,957.31 : x
2. Step 2: Convert to fraction form
   72,169.59/103,957.31 = 103,957.31/x
3. Step 3: Cross multiply
   72,169.59x = 103,957.31 × 103,957.31
4. Step 4: Simplify right side
   72,169.59x = 10,807,122,822.22
5. Step 5: Solve for x
   x = 10,807,122,822.22/72,169.59
6. Step 6: Final answer
   x = 149,746.21