Finding the Third Proportional to 54,268.31 and 83,463.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,268.31 : 83,463.75 = 83,463.75 : x
2. Step 2: Convert to fraction form
   54,268.31/83,463.75 = 83,463.75/x
3. Step 3: Cross multiply
   54,268.31x = 83,463.75 × 83,463.75
4. Step 4: Simplify right side
   54,268.31x = 6,966,197,564.06
5. Step 5: Solve for x
   x = 6,966,197,564.06/54,268.31
6. Step 6: Final answer
   x = 128,365.84