Finding the Third Proportional to 250,496 and 521,696

Step by Step Solution

1. Step 1: Write the proportion equation
   250,496 : 521,696 = 521,696 : x
2. Step 2: Convert to fraction form
   250,496/521,696 = 521,696/x
3. Step 3: Cross multiply
   250,496x = 521,696 × 521,696
4. Step 4: Simplify right side
   250,496x = 272,166,716,416
5. Step 5: Solve for x
   x = 272,166,716,416/250,496
6. Step 6: Final answer
   x = 1,086,511.23