Finding the Third Proportional to 132,407.50 and 170,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,407.50 : 170,008.50 = 170,008.50 : x
2. Step 2: Convert to fraction form
   132,407.50/170,008.50 = 170,008.50/x
3. Step 3: Cross multiply
   132,407.50x = 170,008.50 × 170,008.50
4. Step 4: Simplify right side
   132,407.50x = 28,902,890,072.25
5. Step 5: Solve for x
   x = 28,902,890,072.25/132,407.50
6. Step 6: Final answer
   x = 218,287.41