Finding the Third Proportional to 12,309.75 and 19,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309.75 : 19,100.25 = 19,100.25 : x
2. Step 2: Convert to fraction form
   12,309.75/19,100.25 = 19,100.25/x
3. Step 3: Cross multiply
   12,309.75x = 19,100.25 × 19,100.25
4. Step 4: Simplify right side
   12,309.75x = 364,819,550.06
5. Step 5: Solve for x
   x = 364,819,550.06/12,309.75
6. Step 6: Final answer
   x = 29,636.63