Finding the Third Proportional to 132,848 and 287,404

Step by Step Solution

1. Step 1: Write the proportion equation
   132,848 : 287,404 = 287,404 : x
2. Step 2: Convert to fraction form
   132,848/287,404 = 287,404/x
3. Step 3: Cross multiply
   132,848x = 287,404 × 287,404
4. Step 4: Simplify right side
   132,848x = 82,601,059,216
5. Step 5: Solve for x
   x = 82,601,059,216/132,848
6. Step 6: Final answer
   x = 621,771.19