Finding the Third Proportional to 774,438 and 1,667,536

Step by Step Solution

1. Step 1: Write the proportion equation
   774,438 : 1,667,536 = 1,667,536 : x
2. Step 2: Convert to fraction form
   774,438/1,667,536 = 1,667,536/x
3. Step 3: Cross multiply
   774,438x = 1,667,536 × 1,667,536
4. Step 4: Simplify right side
   774,438x = 2,780,676,311,296
5. Step 5: Solve for x
   x = 2,780,676,311,296/774,438
6. Step 6: Final answer
   x = 3,590,573.18