Finding the Third Proportional to 107,146.50 and 231,207

Step by Step Solution

1. Step 1: Write the proportion equation
   107,146.50 : 231,207 = 231,207 : x
2. Step 2: Convert to fraction form
   107,146.50/231,207 = 231,207/x
3. Step 3: Cross multiply
   107,146.50x = 231,207 × 231,207
4. Step 4: Simplify right side
   107,146.50x = 53,456,676,849
5. Step 5: Solve for x
   x = 53,456,676,849/107,146.50
6. Step 6: Final answer
   x = 498,912.02