Finding the Third Proportional to 43,772 and 67,898

Step by Step Solution

1. Step 1: Write the proportion equation
   43,772 : 67,898 = 67,898 : x
2. Step 2: Convert to fraction form
   43,772/67,898 = 67,898/x
3. Step 3: Cross multiply
   43,772x = 67,898 × 67,898
4. Step 4: Simplify right side
   43,772x = 4,610,138,404
5. Step 5: Solve for x
   x = 4,610,138,404/43,772
6. Step 6: Final answer
   x = 105,321.63