Finding the Third Proportional to 33,449.25 and 72,411.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,449.25 : 72,411.75 = 72,411.75 : x
2. Step 2: Convert to fraction form
   33,449.25/72,411.75 = 72,411.75/x
3. Step 3: Cross multiply
   33,449.25x = 72,411.75 × 72,411.75
4. Step 4: Simplify right side
   33,449.25x = 5,243,461,538.06
5. Step 5: Solve for x
   x = 5,243,461,538.06/33,449.25
6. Step 6: Final answer
   x = 156,758.72