Finding the Third Proportional to 21,607.50 and 34,356

Step by Step Solution

1. Step 1: Write the proportion equation
   21,607.50 : 34,356 = 34,356 : x
2. Step 2: Convert to fraction form
   21,607.50/34,356 = 34,356/x
3. Step 3: Cross multiply
   21,607.50x = 34,356 × 34,356
4. Step 4: Simplify right side
   21,607.50x = 1,180,334,736
5. Step 5: Solve for x
   x = 1,180,334,736/21,607.50
6. Step 6: Final answer
   x = 54,626.16