Finding the Third Proportional to 21,177 and 34,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,177 : 34,429.50 = 34,429.50 : x
2. Step 2: Convert to fraction form
   21,177/34,429.50 = 34,429.50/x
3. Step 3: Cross multiply
   21,177x = 34,429.50 × 34,429.50
4. Step 4: Simplify right side
   21,177x = 1,185,390,470.25
5. Step 5: Solve for x
   x = 1,185,390,470.25/21,177
6. Step 6: Final answer
   x = 55,975.37