Finding the Third Proportional to 65,069 and 141,680

Step by Step Solution

1. Step 1: Write the proportion equation
   65,069 : 141,680 = 141,680 : x
2. Step 2: Convert to fraction form
   65,069/141,680 = 141,680/x
3. Step 3: Cross multiply
   65,069x = 141,680 × 141,680
4. Step 4: Simplify right side
   65,069x = 20,073,222,400
5. Step 5: Solve for x
   x = 20,073,222,400/65,069
6. Step 6: Final answer
   x = 308,491.33