Finding the Third Proportional to 1,247,780 and 2,008,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,780 : 2,008,896 = 2,008,896 : x
2. Step 2: Convert to fraction form
   1,247,780/2,008,896 = 2,008,896/x
3. Step 3: Cross multiply
   1,247,780x = 2,008,896 × 2,008,896
4. Step 4: Simplify right side
   1,247,780x = 4,035,663,138,816
5. Step 5: Solve for x
   x = 4,035,663,138,816/1,247,780
6. Step 6: Final answer
   x = 3,234,274.58