Finding the Third Proportional to 65,974.50 and 144,250.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,974.50 : 144,250.88 = 144,250.88 : x
2. Step 2: Convert to fraction form
   65,974.50/144,250.88 = 144,250.88/x
3. Step 3: Cross multiply
   65,974.50x = 144,250.88 × 144,250.88
4. Step 4: Simplify right side
   65,974.50x = 20,808,314,938.27
5. Step 5: Solve for x
   x = 20,808,314,938.27/65,974.50
6. Step 6: Final answer
   x = 315,399.36