Finding the Third Proportional to 17,915.63 and 38,472.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,915.63 : 38,472.75 = 38,472.75 : x
2. Step 2: Convert to fraction form
   17,915.63/38,472.75 = 38,472.75/x
3. Step 3: Cross multiply
   17,915.63x = 38,472.75 × 38,472.75
4. Step 4: Simplify right side
   17,915.63x = 1,480,152,492.56
5. Step 5: Solve for x
   x = 1,480,152,492.56/17,915.63
6. Step 6: Final answer
   x = 82,617.97