Finding the Third Proportional to 19,281 and 42,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,281 : 42,031.50 = 42,031.50 : x
2. Step 2: Convert to fraction form
   19,281/42,031.50 = 42,031.50/x
3. Step 3: Cross multiply
   19,281x = 42,031.50 × 42,031.50
4. Step 4: Simplify right side
   19,281x = 1,766,646,992.25
5. Step 5: Solve for x
   x = 1,766,646,992.25/19,281
6. Step 6: Final answer
   x = 91,626.32