Finding the Third Proportional to 33,277.50 and 72,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,277.50 : 72,087.50 = 72,087.50 : x
2. Step 2: Convert to fraction form
   33,277.50/72,087.50 = 72,087.50/x
3. Step 3: Cross multiply
   33,277.50x = 72,087.50 × 72,087.50
4. Step 4: Simplify right side
   33,277.50x = 5,196,607,656.25
5. Step 5: Solve for x
   x = 5,196,607,656.25/33,277.50
6. Step 6: Final answer
   x = 156,159.80