Finding the Third Proportional to 1,843,347 and 4,009,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843,347 : 4,009,821 = 4,009,821 : x
2. Step 2: Convert to fraction form
   1,843,347/4,009,821 = 4,009,821/x
3. Step 3: Cross multiply
   1,843,347x = 4,009,821 × 4,009,821
4. Step 4: Simplify right side
   1,843,347x = 16,078,664,452,041
5. Step 5: Solve for x
   x = 16,078,664,452,041/1,843,347
6. Step 6: Final answer
   x = 8,722,538.11