Finding the Third Proportional to 991,284 and 2,110,440

Step by Step Solution

1. Step 1: Write the proportion equation
   991,284 : 2,110,440 = 2,110,440 : x
2. Step 2: Convert to fraction form
   991,284/2,110,440 = 2,110,440/x
3. Step 3: Cross multiply
   991,284x = 2,110,440 × 2,110,440
4. Step 4: Simplify right side
   991,284x = 4,453,956,993,600
5. Step 5: Solve for x
   x = 4,453,956,993,600/991,284
6. Step 6: Final answer
   x = 4,493,119.02