Finding the Third Proportional to 17,608.17 and 39,153.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,608.17 : 39,153.28 = 39,153.28 : x
2. Step 2: Convert to fraction form
   17,608.17/39,153.28 = 39,153.28/x
3. Step 3: Cross multiply
   17,608.17x = 39,153.28 × 39,153.28
4. Step 4: Simplify right side
   17,608.17x = 1,532,979,432.64
5. Step 5: Solve for x
   x = 1,532,979,432.64/17,608.17
6. Step 6: Final answer
   x = 87,060.68