Finding the Third Proportional to 1,111,530 and 1,722,207

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,530 : 1,722,207 = 1,722,207 : x
2. Step 2: Convert to fraction form
   1,111,530/1,722,207 = 1,722,207/x
3. Step 3: Cross multiply
   1,111,530x = 1,722,207 × 1,722,207
4. Step 4: Simplify right side
   1,111,530x = 2,965,996,950,849
5. Step 5: Solve for x
   x = 2,965,996,950,849/1,111,530
6. Step 6: Final answer
   x = 2,668,391.27