Finding the Third Proportional to 250,711 and 529,340

Step by Step Solution

1. Step 1: Write the proportion equation
   250,711 : 529,340 = 529,340 : x
2. Step 2: Convert to fraction form
   250,711/529,340 = 529,340/x
3. Step 3: Cross multiply
   250,711x = 529,340 × 529,340
4. Step 4: Simplify right side
   250,711x = 280,200,835,600
5. Step 5: Solve for x
   x = 280,200,835,600/250,711
6. Step 6: Final answer
   x = 1,117,624.82