Finding the Third Proportional to 17,915.50 and 38,942

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.50 : 38,942 = 38,942 : x
2. Step 2: Convert to fraction form
   17,915.50/38,942 = 38,942/x
3. Step 3: Cross multiply
   17,915.50x = 38,942 × 38,942
4. Step 4: Simplify right side
   17,915.50x = 1,516,479,364
5. Step 5: Solve for x
   x = 1,516,479,364/17,915.50
6. Step 6: Final answer
   x = 84,646.22