Finding the Third Proportional to 113,609.25 and 238,966.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,609.25 : 238,966.88 = 238,966.88 : x
2. Step 2: Convert to fraction form
   113,609.25/238,966.88 = 238,966.88/x
3. Step 3: Cross multiply
   113,609.25x = 238,966.88 × 238,966.88
4. Step 4: Simplify right side
   113,609.25x = 57,105,167,347.27
5. Step 5: Solve for x
   x = 57,105,167,347.27/113,609.25
6. Step 6: Final answer
   x = 502,645.40