Finding the Third Proportional to 132,322.50 and 285,786

Step by Step Solution

1. Step 1: Write the proportion equation
   132,322.50 : 285,786 = 285,786 : x
2. Step 2: Convert to fraction form
   132,322.50/285,786 = 285,786/x
3. Step 3: Cross multiply
   132,322.50x = 285,786 × 285,786
4. Step 4: Simplify right side
   132,322.50x = 81,673,637,796
5. Step 5: Solve for x
   x = 81,673,637,796/132,322.50
6. Step 6: Final answer
   x = 617,231.67