Finding the Third Proportional to 17,288.25 and 35,210.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288.25 : 35,210.63 = 35,210.63 : x
2. Step 2: Convert to fraction form
   17,288.25/35,210.63 = 35,210.63/x
3. Step 3: Cross multiply
   17,288.25x = 35,210.63 × 35,210.63
4. Step 4: Simplify right side
   17,288.25x = 1,239,788,112.89
5. Step 5: Solve for x
   x = 1,239,788,112.89/17,288.25
6. Step 6: Final answer
   x = 71,712.76