Finding the Third Proportional to 64,662 and 100,355

Step by Step Solution

1. Step 1: Write the proportion equation
   64,662 : 100,355 = 100,355 : x
2. Step 2: Convert to fraction form
   64,662/100,355 = 100,355/x
3. Step 3: Cross multiply
   64,662x = 100,355 × 100,355
4. Step 4: Simplify right side
   64,662x = 10,071,126,025
5. Step 5: Solve for x
   x = 10,071,126,025/64,662
6. Step 6: Final answer
   x = 155,750.30