Finding the Third Proportional to 60,388 and 142,089

Step by Step Solution

1. Step 1: Write the proportion equation
   60,388 : 142,089 = 142,089 : x
2. Step 2: Convert to fraction form
   60,388/142,089 = 142,089/x
3. Step 3: Cross multiply
   60,388x = 142,089 × 142,089
4. Step 4: Simplify right side
   60,388x = 20,189,283,921
5. Step 5: Solve for x
   x = 20,189,283,921/60,388
6. Step 6: Final answer
   x = 334,326.09