Finding the Third Proportional to 132,637.50 and 279,855

Step by Step Solution

1. Step 1: Write the proportion equation
   132,637.50 : 279,855 = 279,855 : x
2. Step 2: Convert to fraction form
   132,637.50/279,855 = 279,855/x
3. Step 3: Cross multiply
   132,637.50x = 279,855 × 279,855
4. Step 4: Simplify right side
   132,637.50x = 78,318,821,025
5. Step 5: Solve for x
   x = 78,318,821,025/132,637.50
6. Step 6: Final answer
   x = 590,472.69