Finding the Third Proportional to 65,454.75 and 140,929.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,454.75 : 140,929.88 = 140,929.88 : x
2. Step 2: Convert to fraction form
   65,454.75/140,929.88 = 140,929.88/x
3. Step 3: Cross multiply
   65,454.75x = 140,929.88 × 140,929.88
4. Step 4: Simplify right side
   65,454.75x = 19,861,229,667.52
5. Step 5: Solve for x
   x = 19,861,229,667.52/65,454.75
6. Step 6: Final answer
   x = 303,434.51