Finding the Third Proportional to 45,807 and 72,867

Step by Step Solution

1. Step 1: Write the proportion equation
   45,807 : 72,867 = 72,867 : x
2. Step 2: Convert to fraction form
   45,807/72,867 = 72,867/x
3. Step 3: Cross multiply
   45,807x = 72,867 × 72,867
4. Step 4: Simplify right side
   45,807x = 5,309,599,689
5. Step 5: Solve for x
   x = 5,309,599,689/45,807
6. Step 6: Final answer
   x = 115,912.41