Finding the Third Proportional to 149,134.50 and 225,870

Step by Step Solution

1. Step 1: Write the proportion equation
   149,134.50 : 225,870 = 225,870 : x
2. Step 2: Convert to fraction form
   149,134.50/225,870 = 225,870/x
3. Step 3: Cross multiply
   149,134.50x = 225,870 × 225,870
4. Step 4: Simplify right side
   149,134.50x = 51,017,256,900
5. Step 5: Solve for x
   x = 51,017,256,900/149,134.50
6. Step 6: Final answer
   x = 342,088.90