Finding the Third Proportional to 61,099.31 and 82,217.53

Step by Step Solution

1. Step 1: Write the proportion equation
   61,099.31 : 82,217.53 = 82,217.53 : x
2. Step 2: Convert to fraction form
   61,099.31/82,217.53 = 82,217.53/x
3. Step 3: Cross multiply
   61,099.31x = 82,217.53 × 82,217.53
4. Step 4: Simplify right side
   61,099.31x = 6,759,722,444.84
5. Step 5: Solve for x
   x = 6,759,722,444.84/61,099.31
6. Step 6: Final answer
   x = 110,635.00