Finding the Third Proportional to 13,881.80 and 19,784.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,881.80 : 19,784.32 = 19,784.32 : x
2. Step 2: Convert to fraction form
   13,881.80/19,784.32 = 19,784.32/x
3. Step 3: Cross multiply
   13,881.80x = 19,784.32 × 19,784.32
4. Step 4: Simplify right side
   13,881.80x = 391,419,330.23
5. Step 5: Solve for x
   x = 391,419,330.23/13,881.80
6. Step 6: Final answer
   x = 28,196.59