Finding the Third Proportional to 2,989,564 and 4,641,870

Step by Step Solution

1. Step 1: Write the proportion equation
   2,989,564 : 4,641,870 = 4,641,870 : x
2. Step 2: Convert to fraction form
   2,989,564/4,641,870 = 4,641,870/x
3. Step 3: Cross multiply
   2,989,564x = 4,641,870 × 4,641,870
4. Step 4: Simplify right side
   2,989,564x = 21,546,957,096,900
5. Step 5: Solve for x
   x = 21,546,957,096,900/2,989,564
6. Step 6: Final answer
   x = 7,207,391.14