Finding the Third Proportional to 35,205.57 and 72,734.84

Step by Step Solution

1. Step 1: Write the proportion equation
   35,205.57 : 72,734.84 = 72,734.84 : x
2. Step 2: Convert to fraction form
   35,205.57/72,734.84 = 72,734.84/x
3. Step 3: Cross multiply
   35,205.57x = 72,734.84 × 72,734.84
4. Step 4: Simplify right side
   35,205.57x = 5,290,356,358.86
5. Step 5: Solve for x
   x = 5,290,356,358.86/35,205.57
6. Step 6: Final answer
   x = 150,270.42