Finding the Third Proportional to 555,044 and 1,212,807

Step by Step Solution

1. Step 1: Write the proportion equation
   555,044 : 1,212,807 = 1,212,807 : x
2. Step 2: Convert to fraction form
   555,044/1,212,807 = 1,212,807/x
3. Step 3: Cross multiply
   555,044x = 1,212,807 × 1,212,807
4. Step 4: Simplify right side
   555,044x = 1,470,900,819,249
5. Step 5: Solve for x
   x = 1,470,900,819,249/555,044
6. Step 6: Final answer
   x = 2,650,061.65