Finding the Third Proportional to 1,401,738 and 2,130,309

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,738 : 2,130,309 = 2,130,309 : x
2. Step 2: Convert to fraction form
   1,401,738/2,130,309 = 2,130,309/x
3. Step 3: Cross multiply
   1,401,738x = 2,130,309 × 2,130,309
4. Step 4: Simplify right side
   1,401,738x = 4,538,216,435,481
5. Step 5: Solve for x
   x = 4,538,216,435,481/1,401,738
6. Step 6: Final answer
   x = 3,237,563.96