Finding the Third Proportional to 13,486.50 and 27,671.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,486.50 : 27,671.63 = 27,671.63 : x
2. Step 2: Convert to fraction form
   13,486.50/27,671.63 = 27,671.63/x
3. Step 3: Cross multiply
   13,486.50x = 27,671.63 × 27,671.63
4. Step 4: Simplify right side
   13,486.50x = 765,718,830.14
5. Step 5: Solve for x
   x = 765,718,830.14/13,486.50
6. Step 6: Final answer
   x = 56,776.69