Finding the Third Proportional to 72,407.25 and 115,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,407.25 : 115,162.88 = 115,162.88 : x
2. Step 2: Convert to fraction form
   72,407.25/115,162.88 = 115,162.88/x
3. Step 3: Cross multiply
   72,407.25x = 115,162.88 × 115,162.88
4. Step 4: Simplify right side
   72,407.25x = 13,262,487,778.27
5. Step 5: Solve for x
   x = 13,262,487,778.27/72,407.25
6. Step 6: Final answer
   x = 183,165.19