Finding the Third Proportional to 250,723 and 536,429

Step by Step Solution

1. Step 1: Write the proportion equation
   250,723 : 536,429 = 536,429 : x
2. Step 2: Convert to fraction form
   250,723/536,429 = 536,429/x
3. Step 3: Cross multiply
   250,723x = 536,429 × 536,429
4. Step 4: Simplify right side
   250,723x = 287,756,072,041
5. Step 5: Solve for x
   x = 287,756,072,041/250,723
6. Step 6: Final answer
   x = 1,147,705.12