Finding the Third Proportional to 1,396,677 and 2,231,529

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,677 : 2,231,529 = 2,231,529 : x
2. Step 2: Convert to fraction form
   1,396,677/2,231,529 = 2,231,529/x
3. Step 3: Cross multiply
   1,396,677x = 2,231,529 × 2,231,529
4. Step 4: Simplify right side
   1,396,677x = 4,979,721,677,841
5. Step 5: Solve for x
   x = 4,979,721,677,841/1,396,677
6. Step 6: Final answer
   x = 3,565,406.80