Finding the Third Proportional to 149,572 and 225,510

Step by Step Solution

1. Step 1: Write the proportion equation
   149,572 : 225,510 = 225,510 : x
2. Step 2: Convert to fraction form
   149,572/225,510 = 225,510/x
3. Step 3: Cross multiply
   149,572x = 225,510 × 225,510
4. Step 4: Simplify right side
   149,572x = 50,854,760,100
5. Step 5: Solve for x
   x = 50,854,760,100/149,572
6. Step 6: Final answer
   x = 340,001.87