Finding the Third Proportional to 1,851,978 and 2,782,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851,978 : 2,782,898 = 2,782,898 : x
2. Step 2: Convert to fraction form
   1,851,978/2,782,898 = 2,782,898/x
3. Step 3: Cross multiply
   1,851,978x = 2,782,898 × 2,782,898
4. Step 4: Simplify right side
   1,851,978x = 7,744,521,278,404
5. Step 5: Solve for x
   x = 7,744,521,278,404/1,851,978
6. Step 6: Final answer
   x = 4,181,756.63