Finding the Third Proportional to 2,153,418 and 3,136,653

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,418 : 3,136,653 = 3,136,653 : x
2. Step 2: Convert to fraction form
   2,153,418/3,136,653 = 3,136,653/x
3. Step 3: Cross multiply
   2,153,418x = 3,136,653 × 3,136,653
4. Step 4: Simplify right side
   2,153,418x = 9,838,592,042,409
5. Step 5: Solve for x
   x = 9,838,592,042,409/2,153,418
6. Step 6: Final answer
   x = 4,568,825.95