Finding the Third Proportional to 21,117 and 33,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,117 : 33,436.50 = 33,436.50 : x
2. Step 2: Convert to fraction form
   21,117/33,436.50 = 33,436.50/x
3. Step 3: Cross multiply
   21,117x = 33,436.50 × 33,436.50
4. Step 4: Simplify right side
   21,117x = 1,117,999,532.25
5. Step 5: Solve for x
   x = 1,117,999,532.25/21,117
6. Step 6: Final answer
   x = 52,943.10