Finding the Third Proportional to 359,741.25 and 519,723

Step by Step Solution

1. Step 1: Write the proportion equation
   359,741.25 : 519,723 = 519,723 : x
2. Step 2: Convert to fraction form
   359,741.25/519,723 = 519,723/x
3. Step 3: Cross multiply
   359,741.25x = 519,723 × 519,723
4. Step 4: Simplify right side
   359,741.25x = 270,111,996,729
5. Step 5: Solve for x
   x = 270,111,996,729/359,741.25
6. Step 6: Final answer
   x = 750,850.78