Finding the Third Proportional to 17,430 and 35,787

Step by Step Solution

1. Step 1: Write the proportion equation
   17,430 : 35,787 = 35,787 : x
2. Step 2: Convert to fraction form
   17,430/35,787 = 35,787/x
3. Step 3: Cross multiply
   17,430x = 35,787 × 35,787
4. Step 4: Simplify right side
   17,430x = 1,280,709,369
5. Step 5: Solve for x
   x = 1,280,709,369/17,430
6. Step 6: Final answer
   x = 73,477.30