Finding the Third Proportional to 144,342 and 217,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   144,342 : 217,150.88 = 217,150.88 : x
2. Step 2: Convert to fraction form
   144,342/217,150.88 = 217,150.88/x
3. Step 3: Cross multiply
   144,342x = 217,150.88 × 217,150.88
4. Step 4: Simplify right side
   144,342x = 47,154,502,513.27
5. Step 5: Solve for x
   x = 47,154,502,513.27/144,342
6. Step 6: Final answer
   x = 326,685.94