Finding the Third Proportional to 64,984.50 and 140,015

Step by Step Solution

1. Step 1: Write the proportion equation
   64,984.50 : 140,015 = 140,015 : x
2. Step 2: Convert to fraction form
   64,984.50/140,015 = 140,015/x
3. Step 3: Cross multiply
   64,984.50x = 140,015 × 140,015
4. Step 4: Simplify right side
   64,984.50x = 19,604,200,225
5. Step 5: Solve for x
   x = 19,604,200,225/64,984.50
6. Step 6: Final answer
   x = 301,675.02