Finding the Third Proportional to 568,815 and 1,216,362

Step by Step Solution

1. Step 1: Write the proportion equation
   568,815 : 1,216,362 = 1,216,362 : x
2. Step 2: Convert to fraction form
   568,815/1,216,362 = 1,216,362/x
3. Step 3: Cross multiply
   568,815x = 1,216,362 × 1,216,362
4. Step 4: Simplify right side
   568,815x = 1,479,536,515,044
5. Step 5: Solve for x
   x = 1,479,536,515,044/568,815
6. Step 6: Final answer
   x = 2,601,085.62