Finding the Third Proportional to 54,248 and 83,830

Step by Step Solution

1. Step 1: Write the proportion equation
   54,248 : 83,830 = 83,830 : x
2. Step 2: Convert to fraction form
   54,248/83,830 = 83,830/x
3. Step 3: Cross multiply
   54,248x = 83,830 × 83,830
4. Step 4: Simplify right side
   54,248x = 7,027,468,900
5. Step 5: Solve for x
   x = 7,027,468,900/54,248
6. Step 6: Final answer
   x = 129,543.37