Finding the Third Proportional to 78,832.13 and 122,400

Step by Step Solution

1. Step 1: Write the proportion equation
   78,832.13 : 122,400 = 122,400 : x
2. Step 2: Convert to fraction form
   78,832.13/122,400 = 122,400/x
3. Step 3: Cross multiply
   78,832.13x = 122,400 × 122,400
4. Step 4: Simplify right side
   78,832.13x = 14,981,760,000
5. Step 5: Solve for x
   x = 14,981,760,000/78,832.13
6. Step 6: Final answer
   x = 190,046.38