Finding the Third Proportional to 559,216 and 1,216,736

Step by Step Solution

1. Step 1: Write the proportion equation
   559,216 : 1,216,736 = 1,216,736 : x
2. Step 2: Convert to fraction form
   559,216/1,216,736 = 1,216,736/x
3. Step 3: Cross multiply
   559,216x = 1,216,736 × 1,216,736
4. Step 4: Simplify right side
   559,216x = 1,480,446,493,696
5. Step 5: Solve for x
   x = 1,480,446,493,696/559,216
6. Step 6: Final answer
   x = 2,647,360.76