Finding the Third Proportional to 33,920.44 and 74,490.89

Step by Step Solution

1. Step 1: Write the proportion equation
   33,920.44 : 74,490.89 = 74,490.89 : x
2. Step 2: Convert to fraction form
   33,920.44/74,490.89 = 74,490.89/x
3. Step 3: Cross multiply
   33,920.44x = 74,490.89 × 74,490.89
4. Step 4: Simplify right side
   33,920.44x = 5,548,892,786.11
5. Step 5: Solve for x
   x = 5,548,892,786.11/33,920.44
6. Step 6: Final answer
   x = 163,585.53