Finding the Third Proportional to 2,899,366 and 6,171,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899,366 : 6,171,980 = 6,171,980 : x
2. Step 2: Convert to fraction form
   2,899,366/6,171,980 = 6,171,980/x
3. Step 3: Cross multiply
   2,899,366x = 6,171,980 × 6,171,980
4. Step 4: Simplify right side
   2,899,366x = 38,093,337,120,400
5. Step 5: Solve for x
   x = 38,093,337,120,400/2,899,366
6. Step 6: Final answer
   x = 13,138,505.84