Finding the Third Proportional to 250,656 and 521,966

Step by Step Solution

1. Step 1: Write the proportion equation
   250,656 : 521,966 = 521,966 : x
2. Step 2: Convert to fraction form
   250,656/521,966 = 521,966/x
3. Step 3: Cross multiply
   250,656x = 521,966 × 521,966
4. Step 4: Simplify right side
   250,656x = 272,448,505,156
5. Step 5: Solve for x
   x = 272,448,505,156/250,656
6. Step 6: Final answer
   x = 1,086,941.89