Finding the Third Proportional to 138,110 and 300,822

Step by Step Solution

1. Step 1: Write the proportion equation
   138,110 : 300,822 = 300,822 : x
2. Step 2: Convert to fraction form
   138,110/300,822 = 300,822/x
3. Step 3: Cross multiply
   138,110x = 300,822 × 300,822
4. Step 4: Simplify right side
   138,110x = 90,493,875,684
5. Step 5: Solve for x
   x = 90,493,875,684/138,110
6. Step 6: Final answer
   x = 655,230.44