Finding the Third Proportional to 148,540 and 230,114

Step by Step Solution

1. Step 1: Write the proportion equation
   148,540 : 230,114 = 230,114 : x
2. Step 2: Convert to fraction form
   148,540/230,114 = 230,114/x
3. Step 3: Cross multiply
   148,540x = 230,114 × 230,114
4. Step 4: Simplify right side
   148,540x = 52,952,452,996
5. Step 5: Solve for x
   x = 52,952,452,996/148,540
6. Step 6: Final answer
   x = 356,486.15