Finding the Third Proportional to 103,254 and 215,868

Step by Step Solution

1. Step 1: Write the proportion equation
   103,254 : 215,868 = 215,868 : x
2. Step 2: Convert to fraction form
   103,254/215,868 = 215,868/x
3. Step 3: Cross multiply
   103,254x = 215,868 × 215,868
4. Step 4: Simplify right side
   103,254x = 46,598,993,424
5. Step 5: Solve for x
   x = 46,598,993,424/103,254
6. Step 6: Final answer
   x = 451,304.49