Finding the Third Proportional to 65,849.63 and 142,229.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,849.63 : 142,229.25 = 142,229.25 : x
2. Step 2: Convert to fraction form
   65,849.63/142,229.25 = 142,229.25/x
3. Step 3: Cross multiply
   65,849.63x = 142,229.25 × 142,229.25
4. Step 4: Simplify right side
   65,849.63x = 20,229,159,555.56
5. Step 5: Solve for x
   x = 20,229,159,555.56/65,849.63
6. Step 6: Final answer
   x = 307,202.35