Finding the Third Proportional to 108,013.50 and 162,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,013.50 : 162,688.50 = 162,688.50 : x
2. Step 2: Convert to fraction form
   108,013.50/162,688.50 = 162,688.50/x
3. Step 3: Cross multiply
   108,013.50x = 162,688.50 × 162,688.50
4. Step 4: Simplify right side
   108,013.50x = 26,467,548,032.25
5. Step 5: Solve for x
   x = 26,467,548,032.25/108,013.50
6. Step 6: Final answer
   x = 245,039.26