Finding the Third Proportional to 144,518 and 230,146

Step by Step Solution

1. Step 1: Write the proportion equation
   144,518 : 230,146 = 230,146 : x
2. Step 2: Convert to fraction form
   144,518/230,146 = 230,146/x
3. Step 3: Cross multiply
   144,518x = 230,146 × 230,146
4. Step 4: Simplify right side
   144,518x = 52,967,181,316
5. Step 5: Solve for x
   x = 52,967,181,316/144,518
6. Step 6: Final answer
   x = 366,509.23