Finding the Third Proportional to 560,910 and 1,216,464

Step by Step Solution

1. Step 1: Write the proportion equation
   560,910 : 1,216,464 = 1,216,464 : x
2. Step 2: Convert to fraction form
   560,910/1,216,464 = 1,216,464/x
3. Step 3: Cross multiply
   560,910x = 1,216,464 × 1,216,464
4. Step 4: Simplify right side
   560,910x = 1,479,784,663,296
5. Step 5: Solve for x
   x = 1,479,784,663,296/560,910
6. Step 6: Final answer
   x = 2,638,185.56