Finding the Third Proportional to 10,236.61 and 13,756.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,236.61 : 13,756.32 = 13,756.32 : x
2. Step 2: Convert to fraction form
   10,236.61/13,756.32 = 13,756.32/x
3. Step 3: Cross multiply
   10,236.61x = 13,756.32 × 13,756.32
4. Step 4: Simplify right side
   10,236.61x = 189,236,214.20
5. Step 5: Solve for x
   x = 189,236,214.20/10,236.61
6. Step 6: Final answer
   x = 18,486.21