Finding the Third Proportional to 1,018,523 and 2,120,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,523 : 2,120,722 = 2,120,722 : x
2. Step 2: Convert to fraction form
   1,018,523/2,120,722 = 2,120,722/x
3. Step 3: Cross multiply
   1,018,523x = 2,120,722 × 2,120,722
4. Step 4: Simplify right side
   1,018,523x = 4,497,461,801,284
5. Step 5: Solve for x
   x = 4,497,461,801,284/1,018,523
6. Step 6: Final answer
   x = 4,415,670.34