Finding the Third Proportional to 109,717 and 147,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,717 : 147,079.50 = 147,079.50 : x
2. Step 2: Convert to fraction form
   109,717/147,079.50 = 147,079.50/x
3. Step 3: Cross multiply
   109,717x = 147,079.50 × 147,079.50
4. Step 4: Simplify right side
   109,717x = 21,632,379,320.25
5. Step 5: Solve for x
   x = 21,632,379,320.25/109,717
6. Step 6: Final answer
   x = 197,165.25