Finding the Third Proportional to 33,118.45 and 71,734.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,118.45 : 71,734.78 = 71,734.78 : x
2. Step 2: Convert to fraction form
   33,118.45/71,734.78 = 71,734.78/x
3. Step 3: Cross multiply
   33,118.45x = 71,734.78 × 71,734.78
4. Step 4: Simplify right side
   33,118.45x = 5,145,878,840.99
5. Step 5: Solve for x
   x = 5,145,878,840.99/33,118.45
6. Step 6: Final answer
   x = 155,377.99