Finding the Third Proportional to 1,111,517 and 1,722,188

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,517 : 1,722,188 = 1,722,188 : x
2. Step 2: Convert to fraction form
   1,111,517/1,722,188 = 1,722,188/x
3. Step 3: Cross multiply
   1,111,517x = 1,722,188 × 1,722,188
4. Step 4: Simplify right side
   1,111,517x = 2,965,931,507,344
5. Step 5: Solve for x
   x = 2,965,931,507,344/1,111,517
6. Step 6: Final answer
   x = 2,668,363.60