Finding the Third Proportional to 65,680.88 and 140,697

Step by Step Solution

1. Step 1: Write the proportion equation
   65,680.88 : 140,697 = 140,697 : x
2. Step 2: Convert to fraction form
   65,680.88/140,697 = 140,697/x
3. Step 3: Cross multiply
   65,680.88x = 140,697 × 140,697
4. Step 4: Simplify right side
   65,680.88x = 19,795,645,809
5. Step 5: Solve for x
   x = 19,795,645,809/65,680.88
6. Step 6: Final answer
   x = 301,391.32