Finding the Third Proportional to 560,896 and 1,216,428

Step by Step Solution

1. Step 1: Write the proportion equation
   560,896 : 1,216,428 = 1,216,428 : x
2. Step 2: Convert to fraction form
   560,896/1,216,428 = 1,216,428/x
3. Step 3: Cross multiply
   560,896x = 1,216,428 × 1,216,428
4. Step 4: Simplify right side
   560,896x = 1,479,697,079,184
5. Step 5: Solve for x
   x = 1,479,697,079,184/560,896
6. Step 6: Final answer
   x = 2,638,095.26