Finding the Third Proportional to 43,690 and 65,898

Step by Step Solution

1. Step 1: Write the proportion equation
   43,690 : 65,898 = 65,898 : x
2. Step 2: Convert to fraction form
   43,690/65,898 = 65,898/x
3. Step 3: Cross multiply
   43,690x = 65,898 × 65,898
4. Step 4: Simplify right side
   43,690x = 4,342,546,404
5. Step 5: Solve for x
   x = 4,342,546,404/43,690
6. Step 6: Final answer
   x = 99,394.52