Finding the Third Proportional to 1,401,560 and 2,130,684

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,560 : 2,130,684 = 2,130,684 : x
2. Step 2: Convert to fraction form
   1,401,560/2,130,684 = 2,130,684/x
3. Step 3: Cross multiply
   1,401,560x = 2,130,684 × 2,130,684
4. Step 4: Simplify right side
   1,401,560x = 4,539,814,307,856
5. Step 5: Solve for x
   x = 4,539,814,307,856/1,401,560
6. Step 6: Final answer
   x = 3,239,115.21