Finding the Third Proportional to 565,548 and 1,212,978

Step by Step Solution

1. Step 1: Write the proportion equation
   565,548 : 1,212,978 = 1,212,978 : x
2. Step 2: Convert to fraction form
   565,548/1,212,978 = 1,212,978/x
3. Step 3: Cross multiply
   565,548x = 1,212,978 × 1,212,978
4. Step 4: Simplify right side
   565,548x = 1,471,315,628,484
5. Step 5: Solve for x
   x = 1,471,315,628,484/565,548
6. Step 6: Final answer
   x = 2,601,575.16