Finding the Third Proportional to 19,387.41 and 40,415.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,387.41 : 40,415.06 = 40,415.06 : x
2. Step 2: Convert to fraction form
   19,387.41/40,415.06 = 40,415.06/x
3. Step 3: Cross multiply
   19,387.41x = 40,415.06 × 40,415.06
4. Step 4: Simplify right side
   19,387.41x = 1,633,377,276.88
5. Step 5: Solve for x
   x = 1,633,377,276.88/19,387.41
6. Step 6: Final answer
   x = 84,249.40