Finding the Third Proportional to 106,219.50 and 231,171

Step by Step Solution

1. Step 1: Write the proportion equation
   106,219.50 : 231,171 = 231,171 : x
2. Step 2: Convert to fraction form
   106,219.50/231,171 = 231,171/x
3. Step 3: Cross multiply
   106,219.50x = 231,171 × 231,171
4. Step 4: Simplify right side
   106,219.50x = 53,440,031,241
5. Step 5: Solve for x
   x = 53,440,031,241/106,219.50
6. Step 6: Final answer
   x = 503,109.42