Finding the Third Proportional to 674,900 and 1,425,688

Step by Step Solution

1. Step 1: Write the proportion equation
   674,900 : 1,425,688 = 1,425,688 : x
2. Step 2: Convert to fraction form
   674,900/1,425,688 = 1,425,688/x
3. Step 3: Cross multiply
   674,900x = 1,425,688 × 1,425,688
4. Step 4: Simplify right side
   674,900x = 2,032,586,273,344
5. Step 5: Solve for x
   x = 2,032,586,273,344/674,900
6. Step 6: Final answer
   x = 3,011,685.10