Finding the Third Proportional to 3,155,294 and 4,512,108

Step by Step Solution

1. Step 1: Write the proportion equation
   3,155,294 : 4,512,108 = 4,512,108 : x
2. Step 2: Convert to fraction form
   3,155,294/4,512,108 = 4,512,108/x
3. Step 3: Cross multiply
   3,155,294x = 4,512,108 × 4,512,108
4. Step 4: Simplify right side
   3,155,294x = 20,359,118,603,664
5. Step 5: Solve for x
   x = 20,359,118,603,664/3,155,294
6. Step 6: Final answer
   x = 6,452,368.18