Finding the Third Proportional to 1,791,856 and 3,868,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791,856 : 3,868,978 = 3,868,978 : x
2. Step 2: Convert to fraction form
   1,791,856/3,868,978 = 3,868,978/x
3. Step 3: Cross multiply
   1,791,856x = 3,868,978 × 3,868,978
4. Step 4: Simplify right side
   1,791,856x = 14,968,990,764,484
5. Step 5: Solve for x
   x = 14,968,990,764,484/1,791,856
6. Step 6: Final answer
   x = 8,353,902.75