Finding the Third Proportional to 51,863.75 and 105,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,863.75 : 105,631.50 = 105,631.50 : x
2. Step 2: Convert to fraction form
   51,863.75/105,631.50 = 105,631.50/x
3. Step 3: Cross multiply
   51,863.75x = 105,631.50 × 105,631.50
4. Step 4: Simplify right side
   51,863.75x = 11,158,013,792.25
5. Step 5: Solve for x
   x = 11,158,013,792.25/51,863.75
6. Step 6: Final answer
   x = 215,140.90