Finding the Third Proportional to 1,912,451 and 4,161,367

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912,451 : 4,161,367 = 4,161,367 : x
2. Step 2: Convert to fraction form
   1,912,451/4,161,367 = 4,161,367/x
3. Step 3: Cross multiply
   1,912,451x = 4,161,367 × 4,161,367
4. Step 4: Simplify right side
   1,912,451x = 17,316,975,308,689
5. Step 5: Solve for x
   x = 17,316,975,308,689/1,912,451
6. Step 6: Final answer
   x = 9,054,859.61