Finding the Third Proportional to 778,878 and 1,674,092

Step by Step Solution

1. Step 1: Write the proportion equation
   778,878 : 1,674,092 = 1,674,092 : x
2. Step 2: Convert to fraction form
   778,878/1,674,092 = 1,674,092/x
3. Step 3: Cross multiply
   778,878x = 1,674,092 × 1,674,092
4. Step 4: Simplify right side
   778,878x = 2,802,584,024,464
5. Step 5: Solve for x
   x = 2,802,584,024,464/778,878
6. Step 6: Final answer
   x = 3,598,232.36