Finding the Third Proportional to 33,109 and 72,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,109 : 72,407.50 = 72,407.50 : x
2. Step 2: Convert to fraction form
   33,109/72,407.50 = 72,407.50/x
3. Step 3: Cross multiply
   33,109x = 72,407.50 × 72,407.50
4. Step 4: Simplify right side
   33,109x = 5,242,846,056.25
5. Step 5: Solve for x
   x = 5,242,846,056.25/33,109
6. Step 6: Final answer
   x = 158,351.08