Finding the Third Proportional to 57,864.38 and 77,160.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,864.38 : 77,160.09 = 77,160.09 : x
2. Step 2: Convert to fraction form
   57,864.38/77,160.09 = 77,160.09/x
3. Step 3: Cross multiply
   57,864.38x = 77,160.09 × 77,160.09
4. Step 4: Simplify right side
   57,864.38x = 5,953,680,067.51
5. Step 5: Solve for x
   x = 5,953,680,067.51/57,864.38
6. Step 6: Final answer
   x = 102,890.25