Finding the Third Proportional to 3,150,294 and 6,870,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150,294 : 6,870,780 = 6,870,780 : x
2. Step 2: Convert to fraction form
   3,150,294/6,870,780 = 6,870,780/x
3. Step 3: Cross multiply
   3,150,294x = 6,870,780 × 6,870,780
4. Step 4: Simplify right side
   3,150,294x = 47,207,617,808,400
5. Step 5: Solve for x
   x = 47,207,617,808,400/3,150,294
6. Step 6: Final answer
   x = 14,985,146.72