Finding the Third Proportional to 1,121,586 and 2,446,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,586 : 2,446,178 = 2,446,178 : x
2. Step 2: Convert to fraction form
   1,121,586/2,446,178 = 2,446,178/x
3. Step 3: Cross multiply
   1,121,586x = 2,446,178 × 2,446,178
4. Step 4: Simplify right side
   1,121,586x = 5,983,786,807,684
5. Step 5: Solve for x
   x = 5,983,786,807,684/1,121,586
6. Step 6: Final answer
   x = 5,335,111.89