Finding the Third Proportional to 1,221,647 and 1,864,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,647 : 1,864,061 = 1,864,061 : x
2. Step 2: Convert to fraction form
   1,221,647/1,864,061 = 1,864,061/x
3. Step 3: Cross multiply
   1,221,647x = 1,864,061 × 1,864,061
4. Step 4: Simplify right side
   1,221,647x = 3,474,723,411,721
5. Step 5: Solve for x
   x = 3,474,723,411,721/1,221,647
6. Step 6: Final answer
   x = 2,844,294.15