Finding the Third Proportional to 141,805 and 219,545.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,805 : 219,545.50 = 219,545.50 : x
2. Step 2: Convert to fraction form
   141,805/219,545.50 = 219,545.50/x
3. Step 3: Cross multiply
   141,805x = 219,545.50 × 219,545.50
4. Step 4: Simplify right side
   141,805x = 48,200,226,570.25
5. Step 5: Solve for x
   x = 48,200,226,570.25/141,805
6. Step 6: Final answer
   x = 339,904.99