Finding the Third Proportional to 603,420 and 1,248,576

Step by Step Solution

1. Step 1: Write the proportion equation
   603,420 : 1,248,576 = 1,248,576 : x
2. Step 2: Convert to fraction form
   603,420/1,248,576 = 1,248,576/x
3. Step 3: Cross multiply
   603,420x = 1,248,576 × 1,248,576
4. Step 4: Simplify right side
   603,420x = 1,558,942,027,776
5. Step 5: Solve for x
   x = 1,558,942,027,776/603,420
6. Step 6: Final answer
   x = 2,583,510.70