Finding the Third Proportional to 674,126 and 1,431,358

Step by Step Solution

1. Step 1: Write the proportion equation
   674,126 : 1,431,358 = 1,431,358 : x
2. Step 2: Convert to fraction form
   674,126/1,431,358 = 1,431,358/x
3. Step 3: Cross multiply
   674,126x = 1,431,358 × 1,431,358
4. Step 4: Simplify right side
   674,126x = 2,048,785,724,164
5. Step 5: Solve for x
   x = 2,048,785,724,164/674,126
6. Step 6: Final answer
   x = 3,039,173.28