Finding the Third Proportional to 1,400,116 and 2,112,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,116 : 2,112,990 = 2,112,990 : x
2. Step 2: Convert to fraction form
   1,400,116/2,112,990 = 2,112,990/x
3. Step 3: Cross multiply
   1,400,116x = 2,112,990 × 2,112,990
4. Step 4: Simplify right side
   1,400,116x = 4,464,726,740,100
5. Step 5: Solve for x
   x = 4,464,726,740,100/1,400,116
6. Step 6: Final answer
   x = 3,188,826.31