Finding the Third Proportional to 143,957.25 and 336,301.88

Step by Step Solution

1. Step 1: Write the proportion equation
   143,957.25 : 336,301.88 = 336,301.88 : x
2. Step 2: Convert to fraction form
   143,957.25/336,301.88 = 336,301.88/x
3. Step 3: Cross multiply
   143,957.25x = 336,301.88 × 336,301.88
4. Step 4: Simplify right side
   143,957.25x = 113,098,951,128.52
5. Step 5: Solve for x
   x = 113,098,951,128.52/143,957.25
6. Step 6: Final answer
   x = 785,642.62