Finding the Third Proportional to 2,143,784 and 4,463,984

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,784 : 4,463,984 = 4,463,984 : x
2. Step 2: Convert to fraction form
   2,143,784/4,463,984 = 4,463,984/x
3. Step 3: Cross multiply
   2,143,784x = 4,463,984 × 4,463,984
4. Step 4: Simplify right side
   2,143,784x = 19,927,153,152,256
5. Step 5: Solve for x
   x = 19,927,153,152,256/2,143,784
6. Step 6: Final answer
   x = 9,295,317.60