Finding the Third Proportional to 13,109 and 28,303

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109 : 28,303 = 28,303 : x
2. Step 2: Convert to fraction form
   13,109/28,303 = 28,303/x
3. Step 3: Cross multiply
   13,109x = 28,303 × 28,303
4. Step 4: Simplify right side
   13,109x = 801,059,809
5. Step 5: Solve for x
   x = 801,059,809/13,109
6. Step 6: Final answer
   x = 61,107.62