Finding the Third Proportional to 3,801,658 and 7,872,786

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801,658 : 7,872,786 = 7,872,786 : x
2. Step 2: Convert to fraction form
   3,801,658/7,872,786 = 7,872,786/x
3. Step 3: Cross multiply
   3,801,658x = 7,872,786 × 7,872,786
4. Step 4: Simplify right side
   3,801,658x = 61,980,759,401,796
5. Step 5: Solve for x
   x = 61,980,759,401,796/3,801,658
6. Step 6: Final answer
   x = 16,303,612.63