Finding the Third Proportional to 524,575.50 and 810,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   524,575.50 : 810,109.50 = 810,109.50 : x
2. Step 2: Convert to fraction form
   524,575.50/810,109.50 = 810,109.50/x
3. Step 3: Cross multiply
   524,575.50x = 810,109.50 × 810,109.50
4. Step 4: Simplify right side
   524,575.50x = 656,277,401,990.25
5. Step 5: Solve for x
   x = 656,277,401,990.25/524,575.50
6. Step 6: Final answer
   x = 1,251,063.77