Finding the Third Proportional to 110,617.50 and 260,019

Step by Step Solution

1. Step 1: Write the proportion equation
   110,617.50 : 260,019 = 260,019 : x
2. Step 2: Convert to fraction form
   110,617.50/260,019 = 260,019/x
3. Step 3: Cross multiply
   110,617.50x = 260,019 × 260,019
4. Step 4: Simplify right side
   110,617.50x = 67,609,880,361
5. Step 5: Solve for x
   x = 67,609,880,361/110,617.50
6. Step 6: Final answer
   x = 611,204.20