Finding the Third Proportional to 1,243,440 and 2,682,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,440 : 2,682,900 = 2,682,900 : x
2. Step 2: Convert to fraction form
   1,243,440/2,682,900 = 2,682,900/x
3. Step 3: Cross multiply
   1,243,440x = 2,682,900 × 2,682,900
4. Step 4: Simplify right side
   1,243,440x = 7,197,952,410,000
5. Step 5: Solve for x
   x = 7,197,952,410,000/1,243,440
6. Step 6: Final answer
   x = 5,788,741.24