Finding the Third Proportional to 1,207,076 and 2,638,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,076 : 2,638,360 = 2,638,360 : x
2. Step 2: Convert to fraction form
   1,207,076/2,638,360 = 2,638,360/x
3. Step 3: Cross multiply
   1,207,076x = 2,638,360 × 2,638,360
4. Step 4: Simplify right side
   1,207,076x = 6,960,943,489,600
5. Step 5: Solve for x
   x = 6,960,943,489,600/1,207,076
6. Step 6: Final answer
   x = 5,766,781.45