Finding the Third Proportional to 19,291.50 and 42,276

Step by Step Solution

1. Step 1: Write the proportion equation
   19,291.50 : 42,276 = 42,276 : x
2. Step 2: Convert to fraction form
   19,291.50/42,276 = 42,276/x
3. Step 3: Cross multiply
   19,291.50x = 42,276 × 42,276
4. Step 4: Simplify right side
   19,291.50x = 1,787,260,176
5. Step 5: Solve for x
   x = 1,787,260,176/19,291.50
6. Step 6: Final answer
   x = 92,644.96