Finding the Third Proportional to 560,408 and 1,216,076

Step by Step Solution

1. Step 1: Write the proportion equation
   560,408 : 1,216,076 = 1,216,076 : x
2. Step 2: Convert to fraction form
   560,408/1,216,076 = 1,216,076/x
3. Step 3: Cross multiply
   560,408x = 1,216,076 × 1,216,076
4. Step 4: Simplify right side
   560,408x = 1,478,840,837,776
5. Step 5: Solve for x
   x = 1,478,840,837,776/560,408
6. Step 6: Final answer
   x = 2,638,864.61