Finding the Third Proportional to 1,231,601 and 1,961,243

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,601 : 1,961,243 = 1,961,243 : x
2. Step 2: Convert to fraction form
   1,231,601/1,961,243 = 1,961,243/x
3. Step 3: Cross multiply
   1,231,601x = 1,961,243 × 1,961,243
4. Step 4: Simplify right side
   1,231,601x = 3,846,474,105,049
5. Step 5: Solve for x
   x = 3,846,474,105,049/1,231,601
6. Step 6: Final answer
   x = 3,123,149.55