Finding the Third Proportional to 274,669.50 and 661,476

Step by Step Solution

1. Step 1: Write the proportion equation
   274,669.50 : 661,476 = 661,476 : x
2. Step 2: Convert to fraction form
   274,669.50/661,476 = 661,476/x
3. Step 3: Cross multiply
   274,669.50x = 661,476 × 661,476
4. Step 4: Simplify right side
   274,669.50x = 437,550,498,576
5. Step 5: Solve for x
   x = 437,550,498,576/274,669.50
6. Step 6: Final answer
   x = 1,593,007.23