Finding the Third Proportional to 266,922 and 587,319.75

Step by Step Solution

1. Step 1: Write the proportion equation
   266,922 : 587,319.75 = 587,319.75 : x
2. Step 2: Convert to fraction form
   266,922/587,319.75 = 587,319.75/x
3. Step 3: Cross multiply
   266,922x = 587,319.75 × 587,319.75
4. Step 4: Simplify right side
   266,922x = 344,944,488,740.06
5. Step 5: Solve for x
   x = 344,944,488,740.06/266,922
6. Step 6: Final answer
   x = 1,292,304.45