Finding the Third Proportional to 8,746.31 and 13,505.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,746.31 : 13,505.91 = 13,505.91 : x
2. Step 2: Convert to fraction form
   8,746.31/13,505.91 = 13,505.91/x
3. Step 3: Cross multiply
   8,746.31x = 13,505.91 × 13,505.91
4. Step 4: Simplify right side
   8,746.31x = 182,409,503.63
5. Step 5: Solve for x
   x = 182,409,503.63/8,746.31
6. Step 6: Final answer
   x = 20,855.59