Finding the Third Proportional to 463,648.50 and 988,540

Step by Step Solution

1. Step 1: Write the proportion equation
   463,648.50 : 988,540 = 988,540 : x
2. Step 2: Convert to fraction form
   463,648.50/988,540 = 988,540/x
3. Step 3: Cross multiply
   463,648.50x = 988,540 × 988,540
4. Step 4: Simplify right side
   463,648.50x = 977,211,331,600
5. Step 5: Solve for x
   x = 977,211,331,600/463,648.50
6. Step 6: Final answer
   x = 2,107,655.54