Finding the Third Proportional to 1,011,621 and 2,116,766

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,621 : 2,116,766 = 2,116,766 : x
2. Step 2: Convert to fraction form
   1,011,621/2,116,766 = 2,116,766/x
3. Step 3: Cross multiply
   1,011,621x = 2,116,766 × 2,116,766
4. Step 4: Simplify right side
   1,011,621x = 4,480,698,298,756
5. Step 5: Solve for x
   x = 4,480,698,298,756/1,011,621
6. Step 6: Final answer
   x = 4,429,226.26