Finding the Third Proportional to 3,155,288 and 4,512,099

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155,288 : 4,512,099 = 4,512,099 : x
2. Step 2: Convert to fraction form
   3,155,288/4,512,099 = 4,512,099/x
3. Step 3: Cross multiply
   3,155,288x = 4,512,099 × 4,512,099
4. Step 4: Simplify right side
   3,155,288x = 20,359,037,385,801
5. Step 5: Solve for x
   x = 20,359,037,385,801/3,155,288
6. Step 6: Final answer
   x = 6,452,354.71