Finding the Third Proportional to 563,874 and 1,215,772

Step by Step Solution

1. Step 1: Write the proportion equation
   563,874 : 1,215,772 = 1,215,772 : x
2. Step 2: Convert to fraction form
   563,874/1,215,772 = 1,215,772/x
3. Step 3: Cross multiply
   563,874x = 1,215,772 × 1,215,772
4. Step 4: Simplify right side
   563,874x = 1,478,101,555,984
5. Step 5: Solve for x
   x = 1,478,101,555,984/563,874
6. Step 6: Final answer
   x = 2,621,333.06