Finding the Third Proportional to 1,315,806 and 2,735,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,806 : 2,735,040 = 2,735,040 : x
2. Step 2: Convert to fraction form
   1,315,806/2,735,040 = 2,735,040/x
3. Step 3: Cross multiply
   1,315,806x = 2,735,040 × 2,735,040
4. Step 4: Simplify right side
   1,315,806x = 7,480,443,801,600
5. Step 5: Solve for x
   x = 7,480,443,801,600/1,315,806
6. Step 6: Final answer
   x = 5,685,065.88