Finding the Third Proportional to 54,430.31 and 82,465.59

Step by Step Solution

1. Step 1: Write the proportion equation
   54,430.31 : 82,465.59 = 82,465.59 : x
2. Step 2: Convert to fraction form
   54,430.31/82,465.59 = 82,465.59/x
3. Step 3: Cross multiply
   54,430.31x = 82,465.59 × 82,465.59
4. Step 4: Simplify right side
   54,430.31x = 6,800,574,152.54
5. Step 5: Solve for x
   x = 6,800,574,152.54/54,430.31
6. Step 6: Final answer
   x = 124,940.94