Finding the Third Proportional to 258,969 and 565,970.25

Step by Step Solution

1. Step 1: Write the proportion equation
   258,969 : 565,970.25 = 565,970.25 : x
2. Step 2: Convert to fraction form
   258,969/565,970.25 = 565,970.25/x
3. Step 3: Cross multiply
   258,969x = 565,970.25 × 565,970.25
4. Step 4: Simplify right side
   258,969x = 320,322,323,885.06
5. Step 5: Solve for x
   x = 320,322,323,885.06/258,969
6. Step 6: Final answer
   x = 1,236,913.78