Finding the Third Proportional to 2,153,426 and 3,136,663

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,426 : 3,136,663 = 3,136,663 : x
2. Step 2: Convert to fraction form
   2,153,426/3,136,663 = 3,136,663/x
3. Step 3: Cross multiply
   2,153,426x = 3,136,663 × 3,136,663
4. Step 4: Simplify right side
   2,153,426x = 9,838,654,775,569
5. Step 5: Solve for x
   x = 9,838,654,775,569/2,153,426
6. Step 6: Final answer
   x = 4,568,838.11