Finding the Third Proportional to 1,231,582 and 1,961,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,582 : 1,961,206 = 1,961,206 : x
2. Step 2: Convert to fraction form
   1,231,582/1,961,206 = 1,961,206/x
3. Step 3: Cross multiply
   1,231,582x = 1,961,206 × 1,961,206
4. Step 4: Simplify right side
   1,231,582x = 3,846,328,974,436
5. Step 5: Solve for x
   x = 3,846,328,974,436/1,231,582
6. Step 6: Final answer
   x = 3,123,079.89