Finding the Third Proportional to 10,987.50 and 17,027.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,987.50 : 17,027.25 = 17,027.25 : x
2. Step 2: Convert to fraction form
   10,987.50/17,027.25 = 17,027.25/x
3. Step 3: Cross multiply
   10,987.50x = 17,027.25 × 17,027.25
4. Step 4: Simplify right side
   10,987.50x = 289,927,242.56
5. Step 5: Solve for x
   x = 289,927,242.56/10,987.50
6. Step 6: Final answer
   x = 26,387.01