Finding the Third Proportional to 12,200.63 and 19,353.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.63 : 19,353.94 = 19,353.94 : x
2. Step 2: Convert to fraction form
   12,200.63/19,353.94 = 19,353.94/x
3. Step 3: Cross multiply
   12,200.63x = 19,353.94 × 19,353.94
4. Step 4: Simplify right side
   12,200.63x = 374,574,896.75
5. Step 5: Solve for x
   x = 374,574,896.75/12,200.63
6. Step 6: Final answer
   x = 30,701.29