Finding the Third Proportional to 1,813,622 and 3,971,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,622 : 3,971,980 = 3,971,980 : x
2. Step 2: Convert to fraction form
   1,813,622/3,971,980 = 3,971,980/x
3. Step 3: Cross multiply
   1,813,622x = 3,971,980 × 3,971,980
4. Step 4: Simplify right side
   1,813,622x = 15,776,625,120,400
5. Step 5: Solve for x
   x = 15,776,625,120,400/1,813,622
6. Step 6: Final answer
   x = 8,698,959.94