Finding the Third Proportional to 30,069.75 and 64,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,069.75 : 64,951.50 = 64,951.50 : x
2. Step 2: Convert to fraction form
   30,069.75/64,951.50 = 64,951.50/x
3. Step 3: Cross multiply
   30,069.75x = 64,951.50 × 64,951.50
4. Step 4: Simplify right side
   30,069.75x = 4,218,697,352.25
5. Step 5: Solve for x
   x = 4,218,697,352.25/30,069.75
6. Step 6: Final answer
   x = 140,297.05