Finding the Third Proportional to 65,718 and 141,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,718 : 141,793.50 = 141,793.50 : x
2. Step 2: Convert to fraction form
   65,718/141,793.50 = 141,793.50/x
3. Step 3: Cross multiply
   65,718x = 141,793.50 × 141,793.50
4. Step 4: Simplify right side
   65,718x = 20,105,396,642.25
5. Step 5: Solve for x
   x = 20,105,396,642.25/65,718
6. Step 6: Final answer
   x = 305,934.40