Finding the Third Proportional to 55,548.28 and 75,436.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,548.28 : 75,436.31 = 75,436.31 : x
2. Step 2: Convert to fraction form
   55,548.28/75,436.31 = 75,436.31/x
3. Step 3: Cross multiply
   55,548.28x = 75,436.31 × 75,436.31
4. Step 4: Simplify right side
   55,548.28x = 5,690,637,243.60
5. Step 5: Solve for x
   x = 5,690,637,243.60/55,548.28
6. Step 6: Final answer
   x = 102,444.88