Finding the Third Proportional to 36,222.75 and 78,474.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,222.75 : 78,474.38 = 78,474.38 : x
2. Step 2: Convert to fraction form
   36,222.75/78,474.38 = 78,474.38/x
3. Step 3: Cross multiply
   36,222.75x = 78,474.38 × 78,474.38
4. Step 4: Simplify right side
   36,222.75x = 6,158,227,531.64
5. Step 5: Solve for x
   x = 6,158,227,531.64/36,222.75
6. Step 6: Final answer
   x = 170,009.94