Finding the Third Proportional to 45,830.81 and 68,257.69

Step by Step Solution

1. Step 1: Write the proportion equation
   45,830.81 : 68,257.69 = 68,257.69 : x
2. Step 2: Convert to fraction form
   45,830.81/68,257.69 = 68,257.69/x
3. Step 3: Cross multiply
   45,830.81x = 68,257.69 × 68,257.69
4. Step 4: Simplify right side
   45,830.81x = 4,659,111,902.85
5. Step 5: Solve for x
   x = 4,659,111,902.85/45,830.81
6. Step 6: Final answer
   x = 101,658.94