Finding the Third Proportional to 1,221,682 and 1,864,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,682 : 1,864,122 = 1,864,122 : x
2. Step 2: Convert to fraction form
   1,221,682/1,864,122 = 1,864,122/x
3. Step 3: Cross multiply
   1,221,682x = 1,864,122 × 1,864,122
4. Step 4: Simplify right side
   1,221,682x = 3,474,950,830,884
5. Step 5: Solve for x
   x = 3,474,950,830,884/1,221,682
6. Step 6: Final answer
   x = 2,844,398.81