Finding the Third Proportional to 3,117,352 and 6,479,612

Step by Step Solution

1. Step 1: Write the proportion equation
   3,117,352 : 6,479,612 = 6,479,612 : x
2. Step 2: Convert to fraction form
   3,117,352/6,479,612 = 6,479,612/x
3. Step 3: Cross multiply
   3,117,352x = 6,479,612 × 6,479,612
4. Step 4: Simplify right side
   3,117,352x = 41,985,371,670,544
5. Step 5: Solve for x
   x = 41,985,371,670,544/3,117,352
6. Step 6: Final answer
   x = 13,468,280.67