Finding the Third Proportional to 1,321,776 and 2,100,762

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,776 : 2,100,762 = 2,100,762 : x
2. Step 2: Convert to fraction form
   1,321,776/2,100,762 = 2,100,762/x
3. Step 3: Cross multiply
   1,321,776x = 2,100,762 × 2,100,762
4. Step 4: Simplify right side
   1,321,776x = 4,413,200,980,644
5. Step 5: Solve for x
   x = 4,413,200,980,644/1,321,776
6. Step 6: Final answer
   x = 3,338,841.82