Finding the Third Proportional to 42,387 and 62,266.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,387 : 62,266.50 = 62,266.50 : x
2. Step 2: Convert to fraction form
   42,387/62,266.50 = 62,266.50/x
3. Step 3: Cross multiply
   42,387x = 62,266.50 × 62,266.50
4. Step 4: Simplify right side
   42,387x = 3,877,117,022.25
5. Step 5: Solve for x
   x = 3,877,117,022.25/42,387
6. Step 6: Final answer
   x = 91,469.48