Finding the Third Proportional to 1,111,320 and 1,721,892

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,320 : 1,721,892 = 1,721,892 : x
2. Step 2: Convert to fraction form
   1,111,320/1,721,892 = 1,721,892/x
3. Step 3: Cross multiply
   1,111,320x = 1,721,892 × 1,721,892
4. Step 4: Simplify right side
   1,111,320x = 2,964,912,059,664
5. Step 5: Solve for x
   x = 2,964,912,059,664/1,111,320
6. Step 6: Final answer
   x = 2,667,919.28