Finding the Third Proportional to 149,448 and 228,510

Step by Step Solution

1. Step 1: Write the proportion equation
   149,448 : 228,510 = 228,510 : x
2. Step 2: Convert to fraction form
   149,448/228,510 = 228,510/x
3. Step 3: Cross multiply
   149,448x = 228,510 × 228,510
4. Step 4: Simplify right side
   149,448x = 52,216,820,100
5. Step 5: Solve for x
   x = 52,216,820,100/149,448
6. Step 6: Final answer
   x = 349,397.92