Finding the Third Proportional to 39,459 and 61,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,459 : 61,216.50 = 61,216.50 : x
2. Step 2: Convert to fraction form
   39,459/61,216.50 = 61,216.50/x
3. Step 3: Cross multiply
   39,459x = 61,216.50 × 61,216.50
4. Step 4: Simplify right side
   39,459x = 3,747,459,872.25
5. Step 5: Solve for x
   x = 3,747,459,872.25/39,459
6. Step 6: Final answer
   x = 94,970.98