Finding the Third Proportional to 141,705 and 217,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,705 : 217,021.50 = 217,021.50 : x
2. Step 2: Convert to fraction form
   141,705/217,021.50 = 217,021.50/x
3. Step 3: Cross multiply
   141,705x = 217,021.50 × 217,021.50
4. Step 4: Simplify right side
   141,705x = 47,098,331,462.25
5. Step 5: Solve for x
   x = 47,098,331,462.25/141,705
6. Step 6: Final answer
   x = 332,368.88