Finding the Third Proportional to 64,822 and 100,605

Step by Step Solution

1. Step 1: Write the proportion equation
   64,822 : 100,605 = 100,605 : x
2. Step 2: Convert to fraction form
   64,822/100,605 = 100,605/x
3. Step 3: Cross multiply
   64,822x = 100,605 × 100,605
4. Step 4: Simplify right side
   64,822x = 10,121,366,025
5. Step 5: Solve for x
   x = 10,121,366,025/64,822
6. Step 6: Final answer
   x = 156,140.91