Finding the Third Proportional to 16,422 and 35,310

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422 : 35,310 = 35,310 : x
2. Step 2: Convert to fraction form
   16,422/35,310 = 35,310/x
3. Step 3: Cross multiply
   16,422x = 35,310 × 35,310
4. Step 4: Simplify right side
   16,422x = 1,246,796,100
5. Step 5: Solve for x
   x = 1,246,796,100/16,422
6. Step 6: Final answer
   x = 75,922.31