Finding the Third Proportional to 970,922 and 1,980,400

Step by Step Solution

1. Step 1: Write the proportion equation
   970,922 : 1,980,400 = 1,980,400 : x
2. Step 2: Convert to fraction form
   970,922/1,980,400 = 1,980,400/x
3. Step 3: Cross multiply
   970,922x = 1,980,400 × 1,980,400
4. Step 4: Simplify right side
   970,922x = 3,921,984,160,000
5. Step 5: Solve for x
   x = 3,921,984,160,000/970,922
6. Step 6: Final answer
   x = 4,039,443.09