Finding the Third Proportional to 42,687.25 and 62,647

Step by Step Solution

1. Step 1: Write the proportion equation
   42,687.25 : 62,647 = 62,647 : x
2. Step 2: Convert to fraction form
   42,687.25/62,647 = 62,647/x
3. Step 3: Cross multiply
   42,687.25x = 62,647 × 62,647
4. Step 4: Simplify right side
   42,687.25x = 3,924,646,609
5. Step 5: Solve for x
   x = 3,924,646,609/42,687.25
6. Step 6: Final answer
   x = 91,939.55