Finding the Third Proportional to 3,929,786 and 6,248,966

Step by Step Solution

1. Step 1: Write the proportion equation
   3,929,786 : 6,248,966 = 6,248,966 : x
2. Step 2: Convert to fraction form
   3,929,786/6,248,966 = 6,248,966/x
3. Step 3: Cross multiply
   3,929,786x = 6,248,966 × 6,248,966
4. Step 4: Simplify right side
   3,929,786x = 39,049,576,069,156
5. Step 5: Solve for x
   x = 39,049,576,069,156/3,929,786
6. Step 6: Final answer
   x = 9,936,819.99