Finding the Third Proportional to 2,153,412 and 3,136,644

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,412 : 3,136,644 = 3,136,644 : x
2. Step 2: Convert to fraction form
   2,153,412/3,136,644 = 3,136,644/x
3. Step 3: Cross multiply
   2,153,412x = 3,136,644 × 3,136,644
4. Step 4: Simplify right side
   2,153,412x = 9,838,535,582,736
5. Step 5: Solve for x
   x = 9,838,535,582,736/2,153,412
6. Step 6: Final answer
   x = 4,568,812.46