Finding the Third Proportional to 1,243,564 and 2,683,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,564 : 2,683,288 = 2,683,288 : x
2. Step 2: Convert to fraction form
   1,243,564/2,683,288 = 2,683,288/x
3. Step 3: Cross multiply
   1,243,564x = 2,683,288 × 2,683,288
4. Step 4: Simplify right side
   1,243,564x = 7,200,034,490,944
5. Step 5: Solve for x
   x = 7,200,034,490,944/1,243,564
6. Step 6: Final answer
   x = 5,789,838.31