Finding the Third Proportional to 85,457.25 and 132,665.63

Step by Step Solution

1. Step 1: Write the proportion equation
   85,457.25 : 132,665.63 = 132,665.63 : x
2. Step 2: Convert to fraction form
   85,457.25/132,665.63 = 132,665.63/x
3. Step 3: Cross multiply
   85,457.25x = 132,665.63 × 132,665.63
4. Step 4: Simplify right side
   85,457.25x = 17,600,168,056.64
5. Step 5: Solve for x
   x = 17,600,168,056.64/85,457.25
6. Step 6: Final answer
   x = 205,952.90