Finding the Third Proportional to 48,431.25 and 65,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,431.25 : 65,083.50 = 65,083.50 : x
2. Step 2: Convert to fraction form
   48,431.25/65,083.50 = 65,083.50/x
3. Step 3: Cross multiply
   48,431.25x = 65,083.50 × 65,083.50
4. Step 4: Simplify right side
   48,431.25x = 4,235,861,972.25
5. Step 5: Solve for x
   x = 4,235,861,972.25/48,431.25
6. Step 6: Final answer
   x = 87,461.34