Finding the Third Proportional to 4,667.63 and 9,912.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.63 : 9,912.38 = 9,912.38 : x
2. Step 2: Convert to fraction form
   4,667.63/9,912.38 = 9,912.38/x
3. Step 3: Cross multiply
   4,667.63x = 9,912.38 × 9,912.38
4. Step 4: Simplify right side
   4,667.63x = 98,255,178.14
5. Step 5: Solve for x
   x = 98,255,178.14/4,667.63
6. Step 6: Final answer
   x = 21,050.36