Finding the Third Proportional to 65,449.50 and 141,343

Step by Step Solution

1. Step 1: Write the proportion equation
   65,449.50 : 141,343 = 141,343 : x
2. Step 2: Convert to fraction form
   65,449.50/141,343 = 141,343/x
3. Step 3: Cross multiply
   65,449.50x = 141,343 × 141,343
4. Step 4: Simplify right side
   65,449.50x = 19,977,843,649
5. Step 5: Solve for x
   x = 19,977,843,649/65,449.50
6. Step 6: Final answer
   x = 305,240.58