Finding the Third Proportional to 250,661.50 and 521,977

Step by Step Solution

1. Step 1: Write the proportion equation
   250,661.50 : 521,977 = 521,977 : x
2. Step 2: Convert to fraction form
   250,661.50/521,977 = 521,977/x
3. Step 3: Cross multiply
   250,661.50x = 521,977 × 521,977
4. Step 4: Simplify right side
   250,661.50x = 272,459,988,529
5. Step 5: Solve for x
   x = 272,459,988,529/250,661.50
6. Step 6: Final answer
   x = 1,086,963.85