Finding the Third Proportional to 970,992 and 1,980,540

Step by Step Solution

1. Step 1: Write the proportion equation
   970,992 : 1,980,540 = 1,980,540 : x
2. Step 2: Convert to fraction form
   970,992/1,980,540 = 1,980,540/x
3. Step 3: Cross multiply
   970,992x = 1,980,540 × 1,980,540
4. Step 4: Simplify right side
   970,992x = 3,922,538,691,600
5. Step 5: Solve for x
   x = 3,922,538,691,600/970,992
6. Step 6: Final answer
   x = 4,039,722.98