Finding the Third Proportional to 1,085,554 and 2,315,387

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,554 : 2,315,387 = 2,315,387 : x
2. Step 2: Convert to fraction form
   1,085,554/2,315,387 = 2,315,387/x
3. Step 3: Cross multiply
   1,085,554x = 2,315,387 × 2,315,387
4. Step 4: Simplify right side
   1,085,554x = 5,361,016,959,769
5. Step 5: Solve for x
   x = 5,361,016,959,769/1,085,554
6. Step 6: Final answer
   x = 4,938,507.86