Finding the Third Proportional to 13,783.13 and 20,572.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,783.13 : 20,572.88 = 20,572.88 : x
2. Step 2: Convert to fraction form
   13,783.13/20,572.88 = 20,572.88/x
3. Step 3: Cross multiply
   13,783.13x = 20,572.88 × 20,572.88
4. Step 4: Simplify right side
   13,783.13x = 423,243,185.77
5. Step 5: Solve for x
   x = 423,243,185.77/13,783.13
6. Step 6: Final answer
   x = 30,707.35