Finding the Third Proportional to 54,302 and 83,908

Step by Step Solution

1. Step 1: Write the proportion equation
   54,302 : 83,908 = 83,908 : x
2. Step 2: Convert to fraction form
   54,302/83,908 = 83,908/x
3. Step 3: Cross multiply
   54,302x = 83,908 × 83,908
4. Step 4: Simplify right side
   54,302x = 7,040,552,464
5. Step 5: Solve for x
   x = 7,040,552,464/54,302
6. Step 6: Final answer
   x = 129,655.49