Finding the Third Proportional to 142,948.13 and 229,879.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,948.13 : 229,879.69 = 229,879.69 : x
2. Step 2: Convert to fraction form
   142,948.13/229,879.69 = 229,879.69/x
3. Step 3: Cross multiply
   142,948.13x = 229,879.69 × 229,879.69
4. Step 4: Simplify right side
   142,948.13x = 52,844,670,725.10
5. Step 5: Solve for x
   x = 52,844,670,725.10/142,948.13
6. Step 6: Final answer
   x = 369,677.26