Finding the Third Proportional to 600,744 and 810,900

Step by Step Solution

1. Step 1: Write the proportion equation
   600,744 : 810,900 = 810,900 : x
2. Step 2: Convert to fraction form
   600,744/810,900 = 810,900/x
3. Step 3: Cross multiply
   600,744x = 810,900 × 810,900
4. Step 4: Simplify right side
   600,744x = 657,558,810,000
5. Step 5: Solve for x
   x = 657,558,810,000/600,744
6. Step 6: Final answer
   x = 1,094,574.08