Finding the Third Proportional to 1,409,720 and 2,269,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,720 : 2,269,864 = 2,269,864 : x
2. Step 2: Convert to fraction form
   1,409,720/2,269,864 = 2,269,864/x
3. Step 3: Cross multiply
   1,409,720x = 2,269,864 × 2,269,864
4. Step 4: Simplify right side
   1,409,720x = 5,152,282,578,496
5. Step 5: Solve for x
   x = 5,152,282,578,496/1,409,720
6. Step 6: Final answer
   x = 3,654,826.90