Finding the Third Proportional to 574,378 and 1,249,480

Step by Step Solution

1. Step 1: Write the proportion equation
   574,378 : 1,249,480 = 1,249,480 : x
2. Step 2: Convert to fraction form
   574,378/1,249,480 = 1,249,480/x
3. Step 3: Cross multiply
   574,378x = 1,249,480 × 1,249,480
4. Step 4: Simplify right side
   574,378x = 1,561,200,270,400
5. Step 5: Solve for x
   x = 1,561,200,270,400/574,378
6. Step 6: Final answer
   x = 2,718,071.15