Finding the Third Proportional to 1,111,568 and 1,722,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,568 : 1,722,272 = 1,722,272 : x
2. Step 2: Convert to fraction form
   1,111,568/1,722,272 = 1,722,272/x
3. Step 3: Cross multiply
   1,111,568x = 1,722,272 × 1,722,272
4. Step 4: Simplify right side
   1,111,568x = 2,966,220,841,984
5. Step 5: Solve for x
   x = 2,966,220,841,984/1,111,568
6. Step 6: Final answer
   x = 2,668,501.47