Finding the Third Proportional to 51,864.75 and 105,631.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,864.75 : 105,631.88 = 105,631.88 : x
2. Step 2: Convert to fraction form
   51,864.75/105,631.88 = 105,631.88/x
3. Step 3: Cross multiply
   51,864.75x = 105,631.88 × 105,631.88
4. Step 4: Simplify right side
   51,864.75x = 11,158,093,016.02
5. Step 5: Solve for x
   x = 11,158,093,016.02/51,864.75
6. Step 6: Final answer
   x = 215,138.28