Finding the Third Proportional to 148,569 and 230,144

Step by Step Solution

1. Step 1: Write the proportion equation
   148,569 : 230,144 = 230,144 : x
2. Step 2: Convert to fraction form
   148,569/230,144 = 230,144/x
3. Step 3: Cross multiply
   148,569x = 230,144 × 230,144
4. Step 4: Simplify right side
   148,569x = 52,966,260,736
5. Step 5: Solve for x
   x = 52,966,260,736/148,569
6. Step 6: Final answer
   x = 356,509.51