Finding the Third Proportional to 559,200 and 1,216,704

Step by Step Solution

1. Step 1: Write the proportion equation
   559,200 : 1,216,704 = 1,216,704 : x
2. Step 2: Convert to fraction form
   559,200/1,216,704 = 1,216,704/x
3. Step 3: Cross multiply
   559,200x = 1,216,704 × 1,216,704
4. Step 4: Simplify right side
   559,200x = 1,480,368,623,616
5. Step 5: Solve for x
   x = 1,480,368,623,616/559,200
6. Step 6: Final answer
   x = 2,647,297.25