Finding the Third Proportional to 51,242 and 105,036

Step by Step Solution

1. Step 1: Write the proportion equation
   51,242 : 105,036 = 105,036 : x
2. Step 2: Convert to fraction form
   51,242/105,036 = 105,036/x
3. Step 3: Cross multiply
   51,242x = 105,036 × 105,036
4. Step 4: Simplify right side
   51,242x = 11,032,561,296
5. Step 5: Solve for x
   x = 11,032,561,296/51,242
6. Step 6: Final answer
   x = 215,303.10