Finding the Third Proportional to 48,763 and 65,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,763 : 65,368.50 = 65,368.50 : x
2. Step 2: Convert to fraction form
   48,763/65,368.50 = 65,368.50/x
3. Step 3: Cross multiply
   48,763x = 65,368.50 × 65,368.50
4. Step 4: Simplify right side
   48,763x = 4,273,040,792.25
5. Step 5: Solve for x
   x = 4,273,040,792.25/48,763
6. Step 6: Final answer
   x = 87,628.75