Finding the Third Proportional to 1,001,515 and 2,122,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,001,515 : 2,122,221 = 2,122,221 : x
2. Step 2: Convert to fraction form
   1,001,515/2,122,221 = 2,122,221/x
3. Step 3: Cross multiply
   1,001,515x = 2,122,221 × 2,122,221
4. Step 4: Simplify right side
   1,001,515x = 4,503,821,972,841
5. Step 5: Solve for x
   x = 4,503,821,972,841/1,001,515
6. Step 6: Final answer
   x = 4,497,009.00