Finding the Third Proportional to 79,513.75 and 168,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,513.75 : 168,507.50 = 168,507.50 : x
2. Step 2: Convert to fraction form
   79,513.75/168,507.50 = 168,507.50/x
3. Step 3: Cross multiply
   79,513.75x = 168,507.50 × 168,507.50
4. Step 4: Simplify right side
   79,513.75x = 28,394,777,556.25
5. Step 5: Solve for x
   x = 28,394,777,556.25/79,513.75
6. Step 6: Final answer
   x = 357,105.25