Finding the Third Proportional to 31,044 and 67,490

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044 : 67,490 = 67,490 : x
2. Step 2: Convert to fraction form
   31,044/67,490 = 67,490/x
3. Step 3: Cross multiply
   31,044x = 67,490 × 67,490
4. Step 4: Simplify right side
   31,044x = 4,554,900,100
5. Step 5: Solve for x
   x = 4,554,900,100/31,044
6. Step 6: Final answer
   x = 146,724.01