Finding the Third Proportional to 33,108.50 and 72,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,108.50 : 72,406.50 = 72,406.50 : x
2. Step 2: Convert to fraction form
   33,108.50/72,406.50 = 72,406.50/x
3. Step 3: Cross multiply
   33,108.50x = 72,406.50 × 72,406.50
4. Step 4: Simplify right side
   33,108.50x = 5,242,701,242.25
5. Step 5: Solve for x
   x = 5,242,701,242.25/33,108.50
6. Step 6: Final answer
   x = 158,349.10