Finding the Third Proportional to 8,527.88 and 13,156.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,527.88 : 13,156.31 = 13,156.31 : x
2. Step 2: Convert to fraction form
   8,527.88/13,156.31 = 13,156.31/x
3. Step 3: Cross multiply
   8,527.88x = 13,156.31 × 13,156.31
4. Step 4: Simplify right side
   8,527.88x = 173,088,558.60
5. Step 5: Solve for x
   x = 173,088,558.60/8,527.88
6. Step 6: Final answer
   x = 20,296.80