Finding the Third Proportional to 78,826.50 and 122,112.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,826.50 : 122,112.38 = 122,112.38 : x
2. Step 2: Convert to fraction form
   78,826.50/122,112.38 = 122,112.38/x
3. Step 3: Cross multiply
   78,826.50x = 122,112.38 × 122,112.38
4. Step 4: Simplify right side
   78,826.50x = 14,911,432,128.14
5. Step 5: Solve for x
   x = 14,911,432,128.14/78,826.50
6. Step 6: Final answer
   x = 189,167.76