Finding the Third Proportional to 61,321.50 and 82,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,321.50 : 82,408.50 = 82,408.50 : x
2. Step 2: Convert to fraction form
   61,321.50/82,408.50 = 82,408.50/x
3. Step 3: Cross multiply
   61,321.50x = 82,408.50 × 82,408.50
4. Step 4: Simplify right side
   61,321.50x = 6,791,160,872.25
5. Step 5: Solve for x
   x = 6,791,160,872.25/61,321.50
6. Step 6: Final answer
   x = 110,746.82