Finding the Third Proportional to 10,312 and 19,984

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312 : 19,984 = 19,984 : x
2. Step 2: Convert to fraction form
   10,312/19,984 = 19,984/x
3. Step 3: Cross multiply
   10,312x = 19,984 × 19,984
4. Step 4: Simplify right side
   10,312x = 399,360,256
5. Step 5: Solve for x
   x = 399,360,256/10,312
6. Step 6: Final answer
   x = 38,727.72