Finding the Third Proportional to 65,530.50 and 140,619

Step by Step Solution

1. Step 1: Write the proportion equation
   65,530.50 : 140,619 = 140,619 : x
2. Step 2: Convert to fraction form
   65,530.50/140,619 = 140,619/x
3. Step 3: Cross multiply
   65,530.50x = 140,619 × 140,619
4. Step 4: Simplify right side
   65,530.50x = 19,773,703,161
5. Step 5: Solve for x
   x = 19,773,703,161/65,530.50
6. Step 6: Final answer
   x = 301,748.09