Finding the Third Proportional to 1,940,634 and 2,778,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940,634 : 2,778,840 = 2,778,840 : x
2. Step 2: Convert to fraction form
   1,940,634/2,778,840 = 2,778,840/x
3. Step 3: Cross multiply
   1,940,634x = 2,778,840 × 2,778,840
4. Step 4: Simplify right side
   1,940,634x = 7,721,951,745,600
5. Step 5: Solve for x
   x = 7,721,951,745,600/1,940,634
6. Step 6: Final answer
   x = 3,979,087.12