Finding the Third Proportional to 55,393.88 and 85,925.81

Step by Step Solution

1. Step 1: Write the proportion equation
   55,393.88 : 85,925.81 = 85,925.81 : x
2. Step 2: Convert to fraction form
   55,393.88/85,925.81 = 85,925.81/x
3. Step 3: Cross multiply
   55,393.88x = 85,925.81 × 85,925.81
4. Step 4: Simplify right side
   55,393.88x = 7,383,245,253.79
5. Step 5: Solve for x
   x = 7,383,245,253.79/55,393.88
6. Step 6: Final answer
   x = 133,286.31