Finding the Third Proportional to 17,431 and 35,788

Step by Step Solution

1. Step 1: Write the proportion equation
   17,431 : 35,788 = 35,788 : x
2. Step 2: Convert to fraction form
   17,431/35,788 = 35,788/x
3. Step 3: Cross multiply
   17,431x = 35,788 × 35,788
4. Step 4: Simplify right side
   17,431x = 1,280,780,944
5. Step 5: Solve for x
   x = 1,280,780,944/17,431
6. Step 6: Final answer
   x = 73,477.19