Finding the Third Proportional to 980,905 and 2,191,446

Step by Step Solution

1. Step 1: Write the proportion equation
   980,905 : 2,191,446 = 2,191,446 : x
2. Step 2: Convert to fraction form
   980,905/2,191,446 = 2,191,446/x
3. Step 3: Cross multiply
   980,905x = 2,191,446 × 2,191,446
4. Step 4: Simplify right side
   980,905x = 4,802,435,570,916
5. Step 5: Solve for x
   x = 4,802,435,570,916/980,905
6. Step 6: Final answer
   x = 4,895,923.22