Finding the Third Proportional to 1,818,926 and 3,960,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818,926 : 3,960,774 = 3,960,774 : x
2. Step 2: Convert to fraction form
   1,818,926/3,960,774 = 3,960,774/x
3. Step 3: Cross multiply
   1,818,926x = 3,960,774 × 3,960,774
4. Step 4: Simplify right side
   1,818,926x = 15,687,730,679,076
5. Step 5: Solve for x
   x = 15,687,730,679,076/1,818,926
6. Step 6: Final answer
   x = 8,624,721.77