Finding the Third Proportional to 560,398 and 1,216,051

Step by Step Solution

1. Step 1: Write the proportion equation
   560,398 : 1,216,051 = 1,216,051 : x
2. Step 2: Convert to fraction form
   560,398/1,216,051 = 1,216,051/x
3. Step 3: Cross multiply
   560,398x = 1,216,051 × 1,216,051
4. Step 4: Simplify right side
   560,398x = 1,478,780,034,601
5. Step 5: Solve for x
   x = 1,478,780,034,601/560,398
6. Step 6: Final answer
   x = 2,638,803.20