Finding the Third Proportional to 250,326 and 521,364

Step by Step Solution

1. Step 1: Write the proportion equation
   250,326 : 521,364 = 521,364 : x
2. Step 2: Convert to fraction form
   250,326/521,364 = 521,364/x
3. Step 3: Cross multiply
   250,326x = 521,364 × 521,364
4. Step 4: Simplify right side
   250,326x = 271,820,420,496
5. Step 5: Solve for x
   x = 271,820,420,496/250,326
6. Step 6: Final answer
   x = 1,085,865.71