Finding the Third Proportional to 72,182.25 and 106,419.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,182.25 : 106,419.38 = 106,419.38 : x
2. Step 2: Convert to fraction form
   72,182.25/106,419.38 = 106,419.38/x
3. Step 3: Cross multiply
   72,182.25x = 106,419.38 × 106,419.38
4. Step 4: Simplify right side
   72,182.25x = 11,325,083,375.39
5. Step 5: Solve for x
   x = 11,325,083,375.39/72,182.25
6. Step 6: Final answer
   x = 156,895.68