Finding the Third Proportional to 6,644,988 and 10,410,402

Step by Step Solution

1. Step 1: Write the proportion equation
   6,644,988 : 10,410,402 = 10,410,402 : x
2. Step 2: Convert to fraction form
   6,644,988/10,410,402 = 10,410,402/x
3. Step 3: Cross multiply
   6,644,988x = 10,410,402 × 10,410,402
4. Step 4: Simplify right side
   6,644,988x = 108,376,469,801,604
5. Step 5: Solve for x
   x = 108,376,469,801,604/6,644,988
6. Step 6: Final answer
   x = 16,309,505.72