Finding the Third Proportional to 98,320.50 and 231,113.25

Step by Step Solution

1. Step 1: Write the proportion equation
   98,320.50 : 231,113.25 = 231,113.25 : x
2. Step 2: Convert to fraction form
   98,320.50/231,113.25 = 231,113.25/x
3. Step 3: Cross multiply
   98,320.50x = 231,113.25 × 231,113.25
4. Step 4: Simplify right side
   98,320.50x = 53,413,334,325.56
5. Step 5: Solve for x
   x = 53,413,334,325.56/98,320.50
6. Step 6: Final answer
   x = 543,257.35