Finding the Third Proportional to 19,873 and 42,115.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,873 : 42,115.25 = 42,115.25 : x
2. Step 2: Convert to fraction form
   19,873/42,115.25 = 42,115.25/x
3. Step 3: Cross multiply
   19,873x = 42,115.25 × 42,115.25
4. Step 4: Simplify right side
   19,873x = 1,773,694,282.56
5. Step 5: Solve for x
   x = 1,773,694,282.56/19,873
6. Step 6: Final answer
   x = 89,251.46