Finding the Third Proportional to 59,800.78 and 122,365.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,800.78 : 122,365.69 = 122,365.69 : x
2. Step 2: Convert to fraction form
   59,800.78/122,365.69 = 122,365.69/x
3. Step 3: Cross multiply
   59,800.78x = 122,365.69 × 122,365.69
4. Step 4: Simplify right side
   59,800.78x = 14,973,361,477.35
5. Step 5: Solve for x
   x = 14,973,361,477.35/59,800.78
6. Step 6: Final answer
   x = 250,387.39