Finding the Third Proportional to 54,264.94 and 83,458.69

Step by Step Solution

1. Step 1: Write the proportion equation
   54,264.94 : 83,458.69 = 83,458.69 : x
2. Step 2: Convert to fraction form
   54,264.94/83,458.69 = 83,458.69/x
3. Step 3: Cross multiply
   54,264.94x = 83,458.69 × 83,458.69
4. Step 4: Simplify right side
   54,264.94x = 6,965,352,519.22
5. Step 5: Solve for x
   x = 6,965,352,519.22/54,264.94
6. Step 6: Final answer
   x = 128,358.25