Finding the Third Proportional to 79,840.50 and 133,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,840.50 : 133,060.50 = 133,060.50 : x
2. Step 2: Convert to fraction form
   79,840.50/133,060.50 = 133,060.50/x
3. Step 3: Cross multiply
   79,840.50x = 133,060.50 × 133,060.50
4. Step 4: Simplify right side
   79,840.50x = 17,705,096,660.25
5. Step 5: Solve for x
   x = 17,705,096,660.25/79,840.50
6. Step 6: Final answer
   x = 221,755.83