Finding the Third Proportional to 2,931,587 and 4,420,449

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,587 : 4,420,449 = 4,420,449 : x
2. Step 2: Convert to fraction form
   2,931,587/4,420,449 = 4,420,449/x
3. Step 3: Cross multiply
   2,931,587x = 4,420,449 × 4,420,449
4. Step 4: Simplify right side
   2,931,587x = 19,540,369,361,601
5. Step 5: Solve for x
   x = 19,540,369,361,601/2,931,587
6. Step 6: Final answer
   x = 6,665,457.77