Finding the Third Proportional to 48,456 and 65,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,456 : 65,452.50 = 65,452.50 : x
2. Step 2: Convert to fraction form
   48,456/65,452.50 = 65,452.50/x
3. Step 3: Cross multiply
   48,456x = 65,452.50 × 65,452.50
4. Step 4: Simplify right side
   48,456x = 4,284,029,756.25
5. Step 5: Solve for x
   x = 4,284,029,756.25/48,456
6. Step 6: Final answer
   x = 88,410.72