Finding the Third Proportional to 250,707 and 536,406

Step by Step Solution

1. Step 1: Write the proportion equation
   250,707 : 536,406 = 536,406 : x
2. Step 2: Convert to fraction form
   250,707/536,406 = 536,406/x
3. Step 3: Cross multiply
   250,707x = 536,406 × 536,406
4. Step 4: Simplify right side
   250,707x = 287,731,396,836
5. Step 5: Solve for x
   x = 287,731,396,836/250,707
6. Step 6: Final answer
   x = 1,147,679.95