Finding the Third Proportional to 43,113 and 64,728

Step by Step Solution

1. Step 1: Write the proportion equation
   43,113 : 64,728 = 64,728 : x
2. Step 2: Convert to fraction form
   43,113/64,728 = 64,728/x
3. Step 3: Cross multiply
   43,113x = 64,728 × 64,728
4. Step 4: Simplify right side
   43,113x = 4,189,713,984
5. Step 5: Solve for x
   x = 4,189,713,984/43,113
6. Step 6: Final answer
   x = 97,179.83