Finding the Third Proportional to 144,022.50 and 210,825

Step by Step Solution

1. Step 1: Write the proportion equation
   144,022.50 : 210,825 = 210,825 : x
2. Step 2: Convert to fraction form
   144,022.50/210,825 = 210,825/x
3. Step 3: Cross multiply
   144,022.50x = 210,825 × 210,825
4. Step 4: Simplify right side
   144,022.50x = 44,447,180,625
5. Step 5: Solve for x
   x = 44,447,180,625/144,022.50
6. Step 6: Final answer
   x = 308,612.76