Finding the Third Proportional to 2,981,678 and 6,435,460

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981,678 : 6,435,460 = 6,435,460 : x
2. Step 2: Convert to fraction form
   2,981,678/6,435,460 = 6,435,460/x
3. Step 3: Cross multiply
   2,981,678x = 6,435,460 × 6,435,460
4. Step 4: Simplify right side
   2,981,678x = 41,415,145,411,600
5. Step 5: Solve for x
   x = 41,415,145,411,600/2,981,678
6. Step 6: Final answer
   x = 13,889,878.59