Finding the Third Proportional to 3,831,786 and 6,386,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,831,786 : 6,386,040 = 6,386,040 : x
2. Step 2: Convert to fraction form
   3,831,786/6,386,040 = 6,386,040/x
3. Step 3: Cross multiply
   3,831,786x = 6,386,040 × 6,386,040
4. Step 4: Simplify right side
   3,831,786x = 40,781,506,881,600
5. Step 5: Solve for x
   x = 40,781,506,881,600/3,831,786
6. Step 6: Final answer
   x = 10,642,950.02