Finding the Third Proportional to 1,803,218 and 3,807,641

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803,218 : 3,807,641 = 3,807,641 : x
2. Step 2: Convert to fraction form
   1,803,218/3,807,641 = 3,807,641/x
3. Step 3: Cross multiply
   1,803,218x = 3,807,641 × 3,807,641
4. Step 4: Simplify right side
   1,803,218x = 14,498,129,984,881
5. Step 5: Solve for x
   x = 14,498,129,984,881/1,803,218
6. Step 6: Final answer
   x = 8,040,142.67