Finding the Third Proportional to 67,068 and 142,131

Step by Step Solution

1. Step 1: Write the proportion equation
   67,068 : 142,131 = 142,131 : x
2. Step 2: Convert to fraction form
   67,068/142,131 = 142,131/x
3. Step 3: Cross multiply
   67,068x = 142,131 × 142,131
4. Step 4: Simplify right side
   67,068x = 20,201,221,161
5. Step 5: Solve for x
   x = 20,201,221,161/67,068
6. Step 6: Final answer
   x = 301,205.06