Finding the Third Proportional to 911,782 and 2,110,612

Step by Step Solution

1. Step 1: Write the proportion equation
   911,782 : 2,110,612 = 2,110,612 : x
2. Step 2: Convert to fraction form
   911,782/2,110,612 = 2,110,612/x
3. Step 3: Cross multiply
   911,782x = 2,110,612 × 2,110,612
4. Step 4: Simplify right side
   911,782x = 4,454,683,014,544
5. Step 5: Solve for x
   x = 4,454,683,014,544/911,782
6. Step 6: Final answer
   x = 4,885,688.70