Finding the Third Proportional to 1,189,929 and 2,443,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,929 : 2,443,221 = 2,443,221 : x
2. Step 2: Convert to fraction form
   1,189,929/2,443,221 = 2,443,221/x
3. Step 3: Cross multiply
   1,189,929x = 2,443,221 × 2,443,221
4. Step 4: Simplify right side
   1,189,929x = 5,969,328,854,841
5. Step 5: Solve for x
   x = 5,969,328,854,841/1,189,929
6. Step 6: Final answer
   x = 5,016,542.04