Finding the Third Proportional to 71,673.75 and 107,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,673.75 : 107,499.38 = 107,499.38 : x
2. Step 2: Convert to fraction form
   71,673.75/107,499.38 = 107,499.38/x
3. Step 3: Cross multiply
   71,673.75x = 107,499.38 × 107,499.38
4. Step 4: Simplify right side
   71,673.75x = 11,556,115,625.39
5. Step 5: Solve for x
   x = 11,556,115,625.39/71,673.75
6. Step 6: Final answer
   x = 161,232.19