Finding the Third Proportional to 54,328 and 83,950

Step by Step Solution

1. Step 1: Write the proportion equation
   54,328 : 83,950 = 83,950 : x
2. Step 2: Convert to fraction form
   54,328/83,950 = 83,950/x
3. Step 3: Cross multiply
   54,328x = 83,950 × 83,950
4. Step 4: Simplify right side
   54,328x = 7,047,602,500
5. Step 5: Solve for x
   x = 7,047,602,500/54,328
6. Step 6: Final answer
   x = 129,723.21