Finding the Third Proportional to 1,206,996 and 1,691,715

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,996 : 1,691,715 = 1,691,715 : x
2. Step 2: Convert to fraction form
   1,206,996/1,691,715 = 1,691,715/x
3. Step 3: Cross multiply
   1,206,996x = 1,691,715 × 1,691,715
4. Step 4: Simplify right side
   1,206,996x = 2,861,899,641,225
5. Step 5: Solve for x
   x = 2,861,899,641,225/1,206,996
6. Step 6: Final answer
   x = 2,371,092.90