Finding the Third Proportional to 42,112 and 89,056

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112 : 89,056 = 89,056 : x
2. Step 2: Convert to fraction form
   42,112/89,056 = 89,056/x
3. Step 3: Cross multiply
   42,112x = 89,056 × 89,056
4. Step 4: Simplify right side
   42,112x = 7,930,971,136
5. Step 5: Solve for x
   x = 7,930,971,136/42,112
6. Step 6: Final answer
   x = 188,330.43