Finding the Third Proportional to 9,507.38 and 21,513.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.38 : 21,513.09 = 21,513.09 : x
2. Step 2: Convert to fraction form
   9,507.38/21,513.09 = 21,513.09/x
3. Step 3: Cross multiply
   9,507.38x = 21,513.09 × 21,513.09
4. Step 4: Simplify right side
   9,507.38x = 462,813,202.70
5. Step 5: Solve for x
   x = 462,813,202.70/9,507.38
6. Step 6: Final answer
   x = 48,679.39