Finding the Third Proportional to 8,461.49 and 13,154.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,461.49 : 13,154.91 = 13,154.91 : x
2. Step 2: Convert to fraction form
   8,461.49/13,154.91 = 13,154.91/x
3. Step 3: Cross multiply
   8,461.49x = 13,154.91 × 13,154.91
4. Step 4: Simplify right side
   8,461.49x = 173,051,558.45
5. Step 5: Solve for x
   x = 173,051,558.45/8,461.49
6. Step 6: Final answer
   x = 20,451.65