Finding the Third Proportional to 369,810 and 757,144

Step by Step Solution

1. Step 1: Write the proportion equation
   369,810 : 757,144 = 757,144 : x
2. Step 2: Convert to fraction form
   369,810/757,144 = 757,144/x
3. Step 3: Cross multiply
   369,810x = 757,144 × 757,144
4. Step 4: Simplify right side
   369,810x = 573,267,036,736
5. Step 5: Solve for x
   x = 573,267,036,736/369,810
6. Step 6: Final answer
   x = 1,550,166.40