Finding the Third Proportional to 774,414 and 1,667,490

Step by Step Solution

1. Step 1: Write the proportion equation
   774,414 : 1,667,490 = 1,667,490 : x
2. Step 2: Convert to fraction form
   774,414/1,667,490 = 1,667,490/x
3. Step 3: Cross multiply
   774,414x = 1,667,490 × 1,667,490
4. Step 4: Simplify right side
   774,414x = 2,780,522,900,100
5. Step 5: Solve for x
   x = 2,780,522,900,100/774,414
6. Step 6: Final answer
   x = 3,590,486.35