Finding the Third Proportional to 43,065 and 64,638

Step by Step Solution

1. Step 1: Write the proportion equation
   43,065 : 64,638 = 64,638 : x
2. Step 2: Convert to fraction form
   43,065/64,638 = 64,638/x
3. Step 3: Cross multiply
   43,065x = 64,638 × 64,638
4. Step 4: Simplify right side
   43,065x = 4,178,071,044
5. Step 5: Solve for x
   x = 4,178,071,044/43,065
6. Step 6: Final answer
   x = 97,017.79