Finding the Third Proportional to 1,279,444 and 1,912,126

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,444 : 1,912,126 = 1,912,126 : x
2. Step 2: Convert to fraction form
   1,279,444/1,912,126 = 1,912,126/x
3. Step 3: Cross multiply
   1,279,444x = 1,912,126 × 1,912,126
4. Step 4: Simplify right side
   1,279,444x = 3,656,225,839,876
5. Step 5: Solve for x
   x = 3,656,225,839,876/1,279,444
6. Step 6: Final answer
   x = 2,857,667.74