Finding the Third Proportional to 15,958.50 and 21,467.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,958.50 : 21,467.25 = 21,467.25 : x
2. Step 2: Convert to fraction form
   15,958.50/21,467.25 = 21,467.25/x
3. Step 3: Cross multiply
   15,958.50x = 21,467.25 × 21,467.25
4. Step 4: Simplify right side
   15,958.50x = 460,842,822.56
5. Step 5: Solve for x
   x = 460,842,822.56/15,958.50
6. Step 6: Final answer
   x = 28,877.58