Finding the Third Proportional to 109,605 and 148,530.75

Step by Step Solution

1. Step 1: Write the proportion equation
   109,605 : 148,530.75 = 148,530.75 : x
2. Step 2: Convert to fraction form
   109,605/148,530.75 = 148,530.75/x
3. Step 3: Cross multiply
   109,605x = 148,530.75 × 148,530.75
4. Step 4: Simplify right side
   109,605x = 22,061,383,695.56
5. Step 5: Solve for x
   x = 22,061,383,695.56/109,605
6. Step 6: Final answer
   x = 201,280.81