Finding the Third Proportional to 2,931,686 and 4,484,716

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,686 : 4,484,716 = 4,484,716 : x
2. Step 2: Convert to fraction form
   2,931,686/4,484,716 = 4,484,716/x
3. Step 3: Cross multiply
   2,931,686x = 4,484,716 × 4,484,716
4. Step 4: Simplify right side
   2,931,686x = 20,112,677,600,656
5. Step 5: Solve for x
   x = 20,112,677,600,656/2,931,686
6. Step 6: Final answer
   x = 6,860,447.40