Finding the Third Proportional to 524,584.50 and 810,123

Step by Step Solution

1. Step 1: Write the proportion equation
   524,584.50 : 810,123 = 810,123 : x
2. Step 2: Convert to fraction form
   524,584.50/810,123 = 810,123/x
3. Step 3: Cross multiply
   524,584.50x = 810,123 × 810,123
4. Step 4: Simplify right side
   524,584.50x = 656,299,275,129
5. Step 5: Solve for x
   x = 656,299,275,129/524,584.50
6. Step 6: Final answer
   x = 1,251,084.00