Finding the Third Proportional to 1,401,739 and 2,130,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,739 : 2,130,311 = 2,130,311 : x
2. Step 2: Convert to fraction form
   1,401,739/2,130,311 = 2,130,311/x
3. Step 3: Cross multiply
   1,401,739x = 2,130,311 × 2,130,311
4. Step 4: Simplify right side
   1,401,739x = 4,538,224,956,721
5. Step 5: Solve for x
   x = 4,538,224,956,721/1,401,739
6. Step 6: Final answer
   x = 3,237,567.73