Finding the Third Proportional to 177,491.25 and 387,504

Step by Step Solution

1. Step 1: Write the proportion equation
   177,491.25 : 387,504 = 387,504 : x
2. Step 2: Convert to fraction form
   177,491.25/387,504 = 387,504/x
3. Step 3: Cross multiply
   177,491.25x = 387,504 × 387,504
4. Step 4: Simplify right side
   177,491.25x = 150,159,350,016
5. Step 5: Solve for x
   x = 150,159,350,016/177,491.25
6. Step 6: Final answer
   x = 846,009.87