Finding the Third Proportional to 54,065.25 and 83,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,065.25 : 83,146.50 = 83,146.50 : x
2. Step 2: Convert to fraction form
   54,065.25/83,146.50 = 83,146.50/x
3. Step 3: Cross multiply
   54,065.25x = 83,146.50 × 83,146.50
4. Step 4: Simplify right side
   54,065.25x = 6,913,340,462.25
5. Step 5: Solve for x
   x = 6,913,340,462.25/54,065.25
6. Step 6: Final answer
   x = 127,870.31