Finding the Third Proportional to 59,902.50 and 142,446

Step by Step Solution

1. Step 1: Write the proportion equation
   59,902.50 : 142,446 = 142,446 : x
2. Step 2: Convert to fraction form
   59,902.50/142,446 = 142,446/x
3. Step 3: Cross multiply
   59,902.50x = 142,446 × 142,446
4. Step 4: Simplify right side
   59,902.50x = 20,290,862,916
5. Step 5: Solve for x
   x = 20,290,862,916/59,902.50
6. Step 6: Final answer
   x = 338,731.49