Finding the Third Proportional to 19,747.55 and 42,274.41

Step by Step Solution

1. Step 1: Write the proportion equation
   19,747.55 : 42,274.41 = 42,274.41 : x
2. Step 2: Convert to fraction form
   19,747.55/42,274.41 = 42,274.41/x
3. Step 3: Cross multiply
   19,747.55x = 42,274.41 × 42,274.41
4. Step 4: Simplify right side
   19,747.55x = 1,787,125,423.79
5. Step 5: Solve for x
   x = 1,787,125,423.79/19,747.55
6. Step 6: Final answer
   x = 90,498.60