Finding the Third Proportional to 67,472 and 146,605

Step by Step Solution

1. Step 1: Write the proportion equation
   67,472 : 146,605 = 146,605 : x
2. Step 2: Convert to fraction form
   67,472/146,605 = 146,605/x
3. Step 3: Cross multiply
   67,472x = 146,605 × 146,605
4. Step 4: Simplify right side
   67,472x = 21,493,026,025
5. Step 5: Solve for x
   x = 21,493,026,025/67,472
6. Step 6: Final answer
   x = 318,547.34