Finding the Third Proportional to 17,300 and 35,815

Step by Step Solution

1. Step 1: Write the proportion equation
   17,300 : 35,815 = 35,815 : x
2. Step 2: Convert to fraction form
   17,300/35,815 = 35,815/x
3. Step 3: Cross multiply
   17,300x = 35,815 × 35,815
4. Step 4: Simplify right side
   17,300x = 1,282,714,225
5. Step 5: Solve for x
   x = 1,282,714,225/17,300
6. Step 6: Final answer
   x = 74,145.33