Finding the Third Proportional to 521,565 and 1,142,679

Step by Step Solution

1. Step 1: Write the proportion equation
   521,565 : 1,142,679 = 1,142,679 : x
2. Step 2: Convert to fraction form
   521,565/1,142,679 = 1,142,679/x
3. Step 3: Cross multiply
   521,565x = 1,142,679 × 1,142,679
4. Step 4: Simplify right side
   521,565x = 1,305,715,297,041
5. Step 5: Solve for x
   x = 1,305,715,297,041/521,565
6. Step 6: Final answer
   x = 2,503,456.51