Finding the Third Proportional to 42,349.50 and 89,397

Step by Step Solution

1. Step 1: Write the proportion equation
   42,349.50 : 89,397 = 89,397 : x
2. Step 2: Convert to fraction form
   42,349.50/89,397 = 89,397/x
3. Step 3: Cross multiply
   42,349.50x = 89,397 × 89,397
4. Step 4: Simplify right side
   42,349.50x = 7,991,823,609
5. Step 5: Solve for x
   x = 7,991,823,609/42,349.50
6. Step 6: Final answer
   x = 188,711.17