Finding the Third Proportional to 7,722.84 and 12,237.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,722.84 : 12,237.33 = 12,237.33 : x
2. Step 2: Convert to fraction form
   7,722.84/12,237.33 = 12,237.33/x
3. Step 3: Cross multiply
   7,722.84x = 12,237.33 × 12,237.33
4. Step 4: Simplify right side
   7,722.84x = 149,752,199.64
5. Step 5: Solve for x
   x = 149,752,199.64/7,722.84
6. Step 6: Final answer
   x = 19,390.81