Finding the Third Proportional to 1,226,560 and 2,681,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,226,560 : 2,681,120 = 2,681,120 : x
2. Step 2: Convert to fraction form
   1,226,560/2,681,120 = 2,681,120/x
3. Step 3: Cross multiply
   1,226,560x = 2,681,120 × 2,681,120
4. Step 4: Simplify right side
   1,226,560x = 7,188,404,454,400
5. Step 5: Solve for x
   x = 7,188,404,454,400/1,226,560
6. Step 6: Final answer
   x = 5,860,621.95