Finding the Third Proportional to 1,111,548 and 1,722,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,548 : 1,722,240 = 1,722,240 : x
2. Step 2: Convert to fraction form
   1,111,548/1,722,240 = 1,722,240/x
3. Step 3: Cross multiply
   1,111,548x = 1,722,240 × 1,722,240
4. Step 4: Simplify right side
   1,111,548x = 2,966,110,617,600
5. Step 5: Solve for x
   x = 2,966,110,617,600/1,111,548
6. Step 6: Final answer
   x = 2,668,450.32