Finding the Third Proportional to 1,366,840 and 2,172,325

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,840 : 2,172,325 = 2,172,325 : x
2. Step 2: Convert to fraction form
   1,366,840/2,172,325 = 2,172,325/x
3. Step 3: Cross multiply
   1,366,840x = 2,172,325 × 2,172,325
4. Step 4: Simplify right side
   1,366,840x = 4,718,995,905,625
5. Step 5: Solve for x
   x = 4,718,995,905,625/1,366,840
6. Step 6: Final answer
   x = 3,452,485.96