Finding the Third Proportional to 98,299.50 and 231,078

Step by Step Solution

1. Step 1: Write the proportion equation
   98,299.50 : 231,078 = 231,078 : x
2. Step 2: Convert to fraction form
   98,299.50/231,078 = 231,078/x
3. Step 3: Cross multiply
   98,299.50x = 231,078 × 231,078
4. Step 4: Simplify right side
   98,299.50x = 53,397,042,084
5. Step 5: Solve for x
   x = 53,397,042,084/98,299.50
6. Step 6: Final answer
   x = 543,207.67