Finding the Third Proportional to 2,011,644 and 4,363,886

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011,644 : 4,363,886 = 4,363,886 : x
2. Step 2: Convert to fraction form
   2,011,644/4,363,886 = 4,363,886/x
3. Step 3: Cross multiply
   2,011,644x = 4,363,886 × 4,363,886
4. Step 4: Simplify right side
   2,011,644x = 19,043,501,020,996
5. Step 5: Solve for x
   x = 19,043,501,020,996/2,011,644
6. Step 6: Final answer
   x = 9,466,635.76