Finding the Third Proportional to 33,512.25 and 69,780.94

Step by Step Solution

1. Step 1: Write the proportion equation
   33,512.25 : 69,780.94 = 69,780.94 : x
2. Step 2: Convert to fraction form
   33,512.25/69,780.94 = 69,780.94/x
3. Step 3: Cross multiply
   33,512.25x = 69,780.94 × 69,780.94
4. Step 4: Simplify right side
   33,512.25x = 4,869,379,238.38
5. Step 5: Solve for x
   x = 4,869,379,238.38/33,512.25
6. Step 6: Final answer
   x = 145,301.47