Finding the Third Proportional to 65,799 and 144,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,799 : 144,400.50 = 144,400.50 : x
2. Step 2: Convert to fraction form
   65,799/144,400.50 = 144,400.50/x
3. Step 3: Cross multiply
   65,799x = 144,400.50 × 144,400.50
4. Step 4: Simplify right side
   65,799x = 20,851,504,400.25
5. Step 5: Solve for x
   x = 20,851,504,400.25/65,799
6. Step 6: Final answer
   x = 316,896.98