Finding the Third Proportional to 214,912.50 and 461,540

Step by Step Solution

1. Step 1: Write the proportion equation
   214,912.50 : 461,540 = 461,540 : x
2. Step 2: Convert to fraction form
   214,912.50/461,540 = 461,540/x
3. Step 3: Cross multiply
   214,912.50x = 461,540 × 461,540
4. Step 4: Simplify right side
   214,912.50x = 213,019,171,600
5. Step 5: Solve for x
   x = 213,019,171,600/214,912.50
6. Step 6: Final answer
   x = 991,190.24