Finding the Third Proportional to 1,843,356 and 4,009,839

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843,356 : 4,009,839 = 4,009,839 : x
2. Step 2: Convert to fraction form
   1,843,356/4,009,839 = 4,009,839/x
3. Step 3: Cross multiply
   1,843,356x = 4,009,839 × 4,009,839
4. Step 4: Simplify right side
   1,843,356x = 16,078,808,805,921
5. Step 5: Solve for x
   x = 16,078,808,805,921/1,843,356
6. Step 6: Final answer
   x = 8,722,573.83