Finding the Third Proportional to 2,989,560 and 4,641,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989,560 : 4,641,864 = 4,641,864 : x
2. Step 2: Convert to fraction form
   2,989,560/4,641,864 = 4,641,864/x
3. Step 3: Cross multiply
   2,989,560x = 4,641,864 × 4,641,864
4. Step 4: Simplify right side
   2,989,560x = 21,546,901,394,496
5. Step 5: Solve for x
   x = 21,546,901,394,496/2,989,560
6. Step 6: Final answer
   x = 7,207,382.15