Finding the Third Proportional to 64,989 and 103,398

Step by Step Solution

1. Step 1: Write the proportion equation
   64,989 : 103,398 = 103,398 : x
2. Step 2: Convert to fraction form
   64,989/103,398 = 103,398/x
3. Step 3: Cross multiply
   64,989x = 103,398 × 103,398
4. Step 4: Simplify right side
   64,989x = 10,691,146,404
5. Step 5: Solve for x
   x = 10,691,146,404/64,989
6. Step 6: Final answer
   x = 164,507.02