Finding the Third Proportional to 579,519 and 851,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   579,519 : 851,944.50 = 851,944.50 : x
2. Step 2: Convert to fraction form
   579,519/851,944.50 = 851,944.50/x
3. Step 3: Cross multiply
   579,519x = 851,944.50 × 851,944.50
4. Step 4: Simplify right side
   579,519x = 725,809,431,080.25
5. Step 5: Solve for x
   x = 725,809,431,080.25/579,519
6. Step 6: Final answer
   x = 1,252,434.23