Finding the Third Proportional to 42,789.38 and 88,305.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789.38 : 88,305.75 = 88,305.75 : x
2. Step 2: Convert to fraction form
   42,789.38/88,305.75 = 88,305.75/x
3. Step 3: Cross multiply
   42,789.38x = 88,305.75 × 88,305.75
4. Step 4: Simplify right side
   42,789.38x = 7,797,905,483.06
5. Step 5: Solve for x
   x = 7,797,905,483.06/42,789.38
6. Step 6: Final answer
   x = 182,239.29