Finding the Third Proportional to 911,784 and 2,110,616

Step by Step Solution

1. Step 1: Write the proportion equation
   911,784 : 2,110,616 = 2,110,616 : x
2. Step 2: Convert to fraction form
   911,784/2,110,616 = 2,110,616/x
3. Step 3: Cross multiply
   911,784x = 2,110,616 × 2,110,616
4. Step 4: Simplify right side
   911,784x = 4,454,699,899,456
5. Step 5: Solve for x
   x = 4,454,699,899,456/911,784
6. Step 6: Final answer
   x = 4,885,696.50