Finding the Third Proportional to 8,773.31 and 13,786.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,773.31 : 13,786.31 = 13,786.31 : x
2. Step 2: Convert to fraction form
   8,773.31/13,786.31 = 13,786.31/x
3. Step 3: Cross multiply
   8,773.31x = 13,786.31 × 13,786.31
4. Step 4: Simplify right side
   8,773.31x = 190,062,412.35
5. Step 5: Solve for x
   x = 190,062,412.35/8,773.31
6. Step 6: Final answer
   x = 21,663.70