Finding the Third Proportional to 75,422.39 and 111,828.52

Step by Step Solution

1. Step 1: Write the proportion equation
   75,422.39 : 111,828.52 = 111,828.52 : x
2. Step 2: Convert to fraction form
   75,422.39/111,828.52 = 111,828.52/x
3. Step 3: Cross multiply
   75,422.39x = 111,828.52 × 111,828.52
4. Step 4: Simplify right side
   75,422.39x = 12,505,616,906.89
5. Step 5: Solve for x
   x = 12,505,616,906.89/75,422.39
6. Step 6: Final answer
   x = 165,807.75