Finding the Third Proportional to 17,120 and 34,432

Step by Step Solution

1. Step 1: Write the proportion equation
   17,120 : 34,432 = 34,432 : x
2. Step 2: Convert to fraction form
   17,120/34,432 = 34,432/x
3. Step 3: Cross multiply
   17,120x = 34,432 × 34,432
4. Step 4: Simplify right side
   17,120x = 1,185,562,624
5. Step 5: Solve for x
   x = 1,185,562,624/17,120
6. Step 6: Final answer
   x = 69,250.15