Finding the Third Proportional to 674,215 and 1,448,485

Step by Step Solution

1. Step 1: Write the proportion equation
   674,215 : 1,448,485 = 1,448,485 : x
2. Step 2: Convert to fraction form
   674,215/1,448,485 = 1,448,485/x
3. Step 3: Cross multiply
   674,215x = 1,448,485 × 1,448,485
4. Step 4: Simplify right side
   674,215x = 2,098,108,795,225
5. Step 5: Solve for x
   x = 2,098,108,795,225/674,215
6. Step 6: Final answer
   x = 3,111,928.38