Finding the Third Proportional to 1,912,446 and 4,161,357

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912,446 : 4,161,357 = 4,161,357 : x
2. Step 2: Convert to fraction form
   1,912,446/4,161,357 = 4,161,357/x
3. Step 3: Cross multiply
   1,912,446x = 4,161,357 × 4,161,357
4. Step 4: Simplify right side
   1,912,446x = 17,316,892,081,449
5. Step 5: Solve for x
   x = 17,316,892,081,449/1,912,446
6. Step 6: Final answer
   x = 9,054,839.76