Finding the Third Proportional to 565,908 and 1,216,089

Step by Step Solution

1. Step 1: Write the proportion equation
   565,908 : 1,216,089 = 1,216,089 : x
2. Step 2: Convert to fraction form
   565,908/1,216,089 = 1,216,089/x
3. Step 3: Cross multiply
   565,908x = 1,216,089 × 1,216,089
4. Step 4: Simplify right side
   565,908x = 1,478,872,455,921
5. Step 5: Solve for x
   x = 1,478,872,455,921/565,908
6. Step 6: Final answer
   x = 2,613,273.63