Finding the Third Proportional to 42,248 and 89,683

Step by Step Solution

1. Step 1: Write the proportion equation
   42,248 : 89,683 = 89,683 : x
2. Step 2: Convert to fraction form
   42,248/89,683 = 89,683/x
3. Step 3: Cross multiply
   42,248x = 89,683 × 89,683
4. Step 4: Simplify right side
   42,248x = 8,043,040,489
5. Step 5: Solve for x
   x = 8,043,040,489/42,248
6. Step 6: Final answer
   x = 190,376.83