Finding the Third Proportional to 54,543 and 83,807

Step by Step Solution

1. Step 1: Write the proportion equation
   54,543 : 83,807 = 83,807 : x
2. Step 2: Convert to fraction form
   54,543/83,807 = 83,807/x
3. Step 3: Cross multiply
   54,543x = 83,807 × 83,807
4. Step 4: Simplify right side
   54,543x = 7,023,613,249
5. Step 5: Solve for x
   x = 7,023,613,249/54,543
6. Step 6: Final answer
   x = 128,772.04