Finding the Third Proportional to 745,978 and 1,609,894

Step by Step Solution

1. Step 1: Write the proportion equation
   745,978 : 1,609,894 = 1,609,894 : x
2. Step 2: Convert to fraction form
   745,978/1,609,894 = 1,609,894/x
3. Step 3: Cross multiply
   745,978x = 1,609,894 × 1,609,894
4. Step 4: Simplify right side
   745,978x = 2,591,758,691,236
5. Step 5: Solve for x
   x = 2,591,758,691,236/745,978
6. Step 6: Final answer
   x = 3,474,309.82