Finding the Third Proportional to 33,690 and 70,760

Step by Step Solution

1. Step 1: Write the proportion equation
   33,690 : 70,760 = 70,760 : x
2. Step 2: Convert to fraction form
   33,690/70,760 = 70,760/x
3. Step 3: Cross multiply
   33,690x = 70,760 × 70,760
4. Step 4: Simplify right side
   33,690x = 5,006,977,600
5. Step 5: Solve for x
   x = 5,006,977,600/33,690
6. Step 6: Final answer
   x = 148,619.10