Finding the Third Proportional to 19,495.50 and 42,231

Step by Step Solution

1. Step 1: Write the proportion equation
   19,495.50 : 42,231 = 42,231 : x
2. Step 2: Convert to fraction form
   19,495.50/42,231 = 42,231/x
3. Step 3: Cross multiply
   19,495.50x = 42,231 × 42,231
4. Step 4: Simplify right side
   19,495.50x = 1,783,457,361
5. Step 5: Solve for x
   x = 1,783,457,361/19,495.50
6. Step 6: Final answer
   x = 91,480.46