Finding the Third Proportional to 2,931,660 and 4,484,676

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,660 : 4,484,676 = 4,484,676 : x
2. Step 2: Convert to fraction form
   2,931,660/4,484,676 = 4,484,676/x
3. Step 3: Cross multiply
   2,931,660x = 4,484,676 × 4,484,676
4. Step 4: Simplify right side
   2,931,660x = 20,112,318,824,976
5. Step 5: Solve for x
   x = 20,112,318,824,976/2,931,660
6. Step 6: Final answer
   x = 6,860,385.86