Finding the Third Proportional to 1,042,985 and 2,198,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,985 : 2,198,061 = 2,198,061 : x
2. Step 2: Convert to fraction form
   1,042,985/2,198,061 = 2,198,061/x
3. Step 3: Cross multiply
   1,042,985x = 2,198,061 × 2,198,061
4. Step 4: Simplify right side
   1,042,985x = 4,831,472,159,721
5. Step 5: Solve for x
   x = 4,831,472,159,721/1,042,985
6. Step 6: Final answer
   x = 4,632,350.57