Finding the Third Proportional to 33,121 and 49,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,121 : 49,231.50 = 49,231.50 : x
2. Step 2: Convert to fraction form
   33,121/49,231.50 = 49,231.50/x
3. Step 3: Cross multiply
   33,121x = 49,231.50 × 49,231.50
4. Step 4: Simplify right side
   33,121x = 2,423,740,592.25
5. Step 5: Solve for x
   x = 2,423,740,592.25/33,121
6. Step 6: Final answer
   x = 73,178.36