Finding the Third Proportional to 584,360 and 1,213,648

Step by Step Solution

1. Step 1: Write the proportion equation
   584,360 : 1,213,648 = 1,213,648 : x
2. Step 2: Convert to fraction form
   584,360/1,213,648 = 1,213,648/x
3. Step 3: Cross multiply
   584,360x = 1,213,648 × 1,213,648
4. Step 4: Simplify right side
   584,360x = 1,472,941,467,904
5. Step 5: Solve for x
   x = 1,472,941,467,904/584,360
6. Step 6: Final answer
   x = 2,520,606.25