Finding the Third Proportional to 42,824.25 and 68,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,824.25 : 68,196.38 = 68,196.38 : x
2. Step 2: Convert to fraction form
   42,824.25/68,196.38 = 68,196.38/x
3. Step 3: Cross multiply
   42,824.25x = 68,196.38 × 68,196.38
4. Step 4: Simplify right side
   42,824.25x = 4,650,745,563.14
5. Step 5: Solve for x
   x = 4,650,745,563.14/42,824.25
6. Step 6: Final answer
   x = 108,600.75