Finding the Third Proportional to 16,071.75 and 21,334.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,071.75 : 21,334.50 = 21,334.50 : x
2. Step 2: Convert to fraction form
   16,071.75/21,334.50 = 21,334.50/x
3. Step 3: Cross multiply
   16,071.75x = 21,334.50 × 21,334.50
4. Step 4: Simplify right side
   16,071.75x = 455,160,890.25
5. Step 5: Solve for x
   x = 455,160,890.25/16,071.75
6. Step 6: Final answer
   x = 28,320.56