Finding the Third Proportional to 1,430,660 and 2,978,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,660 : 2,978,856 = 2,978,856 : x
2. Step 2: Convert to fraction form
   1,430,660/2,978,856 = 2,978,856/x
3. Step 3: Cross multiply
   1,430,660x = 2,978,856 × 2,978,856
4. Step 4: Simplify right side
   1,430,660x = 8,873,583,068,736
5. Step 5: Solve for x
   x = 8,873,583,068,736/1,430,660
6. Step 6: Final answer
   x = 6,202,440.18