Finding the Third Proportional to 19,872 and 42,044.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,872 : 42,044.48 = 42,044.48 : x
2. Step 2: Convert to fraction form
   19,872/42,044.48 = 42,044.48/x
3. Step 3: Cross multiply
   19,872x = 42,044.48 × 42,044.48
4. Step 4: Simplify right side
   19,872x = 1,767,738,666.36
5. Step 5: Solve for x
   x = 1,767,738,666.36/19,872
6. Step 6: Final answer
   x = 88,956.25