Finding the Third Proportional to 16,312 and 17,716

Step by Step Solution

1. Step 1: Write the proportion equation
   16,312 : 17,716 = 17,716 : x
2. Step 2: Convert to fraction form
   16,312/17,716 = 17,716/x
3. Step 3: Cross multiply
   16,312x = 17,716 × 17,716
4. Step 4: Simplify right side
   16,312x = 313,856,656
5. Step 5: Solve for x
   x = 313,856,656/16,312
6. Step 6: Final answer
   x = 19,240.84