Finding the Third Proportional to 55,357.88 and 85,953.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,357.88 : 85,953.38 = 85,953.38 : x
2. Step 2: Convert to fraction form
   55,357.88/85,953.38 = 85,953.38/x
3. Step 3: Cross multiply
   55,357.88x = 85,953.38 × 85,953.38
4. Step 4: Simplify right side
   55,357.88x = 7,387,982,673.89
5. Step 5: Solve for x
   x = 7,387,982,673.89/55,357.88
6. Step 6: Final answer
   x = 133,458.57