Finding the Third Proportional to 1,912,455 and 4,161,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912,455 : 4,161,374 = 4,161,374 : x
2. Step 2: Convert to fraction form
   1,912,455/4,161,374 = 4,161,374/x
3. Step 3: Cross multiply
   1,912,455x = 4,161,374 × 4,161,374
4. Step 4: Simplify right side
   1,912,455x = 17,317,033,567,876
5. Step 5: Solve for x
   x = 17,317,033,567,876/1,912,455
6. Step 6: Final answer
   x = 9,054,871.13