Finding the Third Proportional to 107,647.31 and 231,748.17

Step by Step Solution

1. Step 1: Write the proportion equation
   107,647.31 : 231,748.17 = 231,748.17 : x
2. Step 2: Convert to fraction form
   107,647.31/231,748.17 = 231,748.17/x
3. Step 3: Cross multiply
   107,647.31x = 231,748.17 × 231,748.17
4. Step 4: Simplify right side
   107,647.31x = 53,707,215,167.40
5. Step 5: Solve for x
   x = 53,707,215,167.40/107,647.31
6. Step 6: Final answer
   x = 498,918.31