Finding the Third Proportional to 2,981,665 and 6,435,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981,665 : 6,435,434 = 6,435,434 : x
2. Step 2: Convert to fraction form
   2,981,665/6,435,434 = 6,435,434/x
3. Step 3: Cross multiply
   2,981,665x = 6,435,434 × 6,435,434
4. Step 4: Simplify right side
   2,981,665x = 41,414,810,768,356
5. Step 5: Solve for x
   x = 41,414,810,768,356/2,981,665
6. Step 6: Final answer
   x = 13,889,826.91