Finding the Third Proportional to 132,846.50 and 287,401

Step by Step Solution

1. Step 1: Write the proportion equation
   132,846.50 : 287,401 = 287,401 : x
2. Step 2: Convert to fraction form
   132,846.50/287,401 = 287,401/x
3. Step 3: Cross multiply
   132,846.50x = 287,401 × 287,401
4. Step 4: Simplify right side
   132,846.50x = 82,599,334,801
5. Step 5: Solve for x
   x = 82,599,334,801/132,846.50
6. Step 6: Final answer
   x = 621,765.23