Finding the Third Proportional to 7,430.06 and 12,238.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,430.06 : 12,238.59 = 12,238.59 : x
2. Step 2: Convert to fraction form
   7,430.06/12,238.59 = 12,238.59/x
3. Step 3: Cross multiply
   7,430.06x = 12,238.59 × 12,238.59
4. Step 4: Simplify right side
   7,430.06x = 149,783,176.98
5. Step 5: Solve for x
   x = 149,783,176.98/7,430.06
6. Step 6: Final answer
   x = 20,159.07