Finding the Third Proportional to 60,412 and 142,138

Step by Step Solution

1. Step 1: Write the proportion equation
   60,412 : 142,138 = 142,138 : x
2. Step 2: Convert to fraction form
   60,412/142,138 = 142,138/x
3. Step 3: Cross multiply
   60,412x = 142,138 × 142,138
4. Step 4: Simplify right side
   60,412x = 20,203,211,044
5. Step 5: Solve for x
   x = 20,203,211,044/60,412
6. Step 6: Final answer
   x = 334,423.81