Finding the Third Proportional to 12,934.69 and 19,984.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934.69 : 19,984.22 = 19,984.22 : x
2. Step 2: Convert to fraction form
   12,934.69/19,984.22 = 19,984.22/x
3. Step 3: Cross multiply
   12,934.69x = 19,984.22 × 19,984.22
4. Step 4: Simplify right side
   12,934.69x = 399,368,999.05
5. Step 5: Solve for x
   x = 399,368,999.05/12,934.69
6. Step 6: Final answer
   x = 30,875.81