Finding the Third Proportional to 1,328,488 and 2,114,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,488 : 2,114,913 = 2,114,913 : x
2. Step 2: Convert to fraction form
   1,328,488/2,114,913 = 2,114,913/x
3. Step 3: Cross multiply
   1,328,488x = 2,114,913 × 2,114,913
4. Step 4: Simplify right side
   1,328,488x = 4,472,856,997,569
5. Step 5: Solve for x
   x = 4,472,856,997,569/1,328,488
6. Step 6: Final answer
   x = 3,366,877.98