Finding the Third Proportional to 1,421,541 and 2,183,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,541 : 2,183,888 = 2,183,888 : x
2. Step 2: Convert to fraction form
   1,421,541/2,183,888 = 2,183,888/x
3. Step 3: Cross multiply
   1,421,541x = 2,183,888 × 2,183,888
4. Step 4: Simplify right side
   1,421,541x = 4,769,366,796,544
5. Step 5: Solve for x
   x = 4,769,366,796,544/1,421,541
6. Step 6: Final answer
   x = 3,355,068.05