Finding the Third Proportional to 59,494.50 and 123,921

Step by Step Solution

1. Step 1: Write the proportion equation
   59,494.50 : 123,921 = 123,921 : x
2. Step 2: Convert to fraction form
   59,494.50/123,921 = 123,921/x
3. Step 3: Cross multiply
   59,494.50x = 123,921 × 123,921
4. Step 4: Simplify right side
   59,494.50x = 15,356,414,241
5. Step 5: Solve for x
   x = 15,356,414,241/59,494.50
6. Step 6: Final answer
   x = 258,114.86