Finding the Third Proportional to 2,931,585 and 4,420,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,585 : 4,420,446 = 4,420,446 : x
2. Step 2: Convert to fraction form
   2,931,585/4,420,446 = 4,420,446/x
3. Step 3: Cross multiply
   2,931,585x = 4,420,446 × 4,420,446
4. Step 4: Simplify right side
   2,931,585x = 19,540,342,838,916
5. Step 5: Solve for x
   x = 19,540,342,838,916/2,931,585
6. Step 6: Final answer
   x = 6,665,453.27