Finding the Third Proportional to 984,890 and 2,116,908

Step by Step Solution

1. Step 1: Write the proportion equation
   984,890 : 2,116,908 = 2,116,908 : x
2. Step 2: Convert to fraction form
   984,890/2,116,908 = 2,116,908/x
3. Step 3: Cross multiply
   984,890x = 2,116,908 × 2,116,908
4. Step 4: Simplify right side
   984,890x = 4,481,299,480,464
5. Step 5: Solve for x
   x = 4,481,299,480,464/984,890
6. Step 6: Final answer
   x = 4,550,050.75