Finding the Third Proportional to 109,609.50 and 148,537.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,609.50 : 148,537.50 = 148,537.50 : x
2. Step 2: Convert to fraction form
   109,609.50/148,537.50 = 148,537.50/x
3. Step 3: Cross multiply
   109,609.50x = 148,537.50 × 148,537.50
4. Step 4: Simplify right side
   109,609.50x = 22,063,388,906.25
5. Step 5: Solve for x
   x = 22,063,388,906.25/109,609.50
6. Step 6: Final answer
   x = 201,290.85