Finding the Third Proportional to 79,342.50 and 122,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,342.50 : 122,932.50 = 122,932.50 : x
2. Step 2: Convert to fraction form
   79,342.50/122,932.50 = 122,932.50/x
3. Step 3: Cross multiply
   79,342.50x = 122,932.50 × 122,932.50
4. Step 4: Simplify right side
   79,342.50x = 15,112,399,556.25
5. Step 5: Solve for x
   x = 15,112,399,556.25/79,342.50
6. Step 6: Final answer
   x = 190,470.42