Finding the Third Proportional to 1,381,626 and 2,131,497

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,626 : 2,131,497 = 2,131,497 : x
2. Step 2: Convert to fraction form
   1,381,626/2,131,497 = 2,131,497/x
3. Step 3: Cross multiply
   1,381,626x = 2,131,497 × 2,131,497
4. Step 4: Simplify right side
   1,381,626x = 4,543,279,461,009
5. Step 5: Solve for x
   x = 4,543,279,461,009/1,381,626
6. Step 6: Final answer
   x = 3,288,356.95