Finding the Third Proportional to 56,388 and 122,494

Step by Step Solution

1. Step 1: Write the proportion equation
   56,388 : 122,494 = 122,494 : x
2. Step 2: Convert to fraction form
   56,388/122,494 = 122,494/x
3. Step 3: Cross multiply
   56,388x = 122,494 × 122,494
4. Step 4: Simplify right side
   56,388x = 15,004,780,036
5. Step 5: Solve for x
   x = 15,004,780,036/56,388
6. Step 6: Final answer
   x = 266,098.82