Finding the Third Proportional to 13,672.13 and 21,740.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,672.13 : 21,740.06 = 21,740.06 : x
2. Step 2: Convert to fraction form
   13,672.13/21,740.06 = 21,740.06/x
3. Step 3: Cross multiply
   13,672.13x = 21,740.06 × 21,740.06
4. Step 4: Simplify right side
   13,672.13x = 472,630,317.50
5. Step 5: Solve for x
   x = 472,630,317.50/13,672.13
6. Step 6: Final answer
   x = 34,568.90