Finding the Third Proportional to 132,335.25 and 288,462

Step by Step Solution

1. Step 1: Write the proportion equation
   132,335.25 : 288,462 = 288,462 : x
2. Step 2: Convert to fraction form
   132,335.25/288,462 = 288,462/x
3. Step 3: Cross multiply
   132,335.25x = 288,462 × 288,462
4. Step 4: Simplify right side
   132,335.25x = 83,210,325,444
5. Step 5: Solve for x
   x = 83,210,325,444/132,335.25
6. Step 6: Final answer
   x = 628,784.28