Finding the Third Proportional to 59,919 and 142,482

Step by Step Solution

1. Step 1: Write the proportion equation
   59,919 : 142,482 = 142,482 : x
2. Step 2: Convert to fraction form
   59,919/142,482 = 142,482/x
3. Step 3: Cross multiply
   59,919x = 142,482 × 142,482
4. Step 4: Simplify right side
   59,919x = 20,301,120,324
5. Step 5: Solve for x
   x = 20,301,120,324/59,919
6. Step 6: Final answer
   x = 338,809.40