Finding the Third Proportional to 250,191 and 510,570

Step by Step Solution

1. Step 1: Write the proportion equation
   250,191 : 510,570 = 510,570 : x
2. Step 2: Convert to fraction form
   250,191/510,570 = 510,570/x
3. Step 3: Cross multiply
   250,191x = 510,570 × 510,570
4. Step 4: Simplify right side
   250,191x = 260,681,724,900
5. Step 5: Solve for x
   x = 260,681,724,900/250,191
6. Step 6: Final answer
   x = 1,041,930.86