Finding the Third Proportional to 1,821,308 and 2,672,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,308 : 2,672,913 = 2,672,913 : x
2. Step 2: Convert to fraction form
   1,821,308/2,672,913 = 2,672,913/x
3. Step 3: Cross multiply
   1,821,308x = 2,672,913 × 2,672,913
4. Step 4: Simplify right side
   1,821,308x = 7,144,463,905,569
5. Step 5: Solve for x
   x = 7,144,463,905,569/1,821,308
6. Step 6: Final answer
   x = 3,922,710.44