Finding the Third Proportional to 1,329,447 and 1,993,670

Step by Step Solution

1. Step 1: Write the proportion equation
   1,329,447 : 1,993,670 = 1,993,670 : x
2. Step 2: Convert to fraction form
   1,329,447/1,993,670 = 1,993,670/x
3. Step 3: Cross multiply
   1,329,447x = 1,993,670 × 1,993,670
4. Step 4: Simplify right side
   1,329,447x = 3,974,720,068,900
5. Step 5: Solve for x
   x = 3,974,720,068,900/1,329,447
6. Step 6: Final answer
   x = 2,989,754.44