Finding the Third Proportional to 1,821,328 and 2,672,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,328 : 2,672,940 = 2,672,940 : x
2. Step 2: Convert to fraction form
   1,821,328/2,672,940 = 2,672,940/x
3. Step 3: Cross multiply
   1,821,328x = 2,672,940 × 2,672,940
4. Step 4: Simplify right side
   1,821,328x = 7,144,608,243,600
5. Step 5: Solve for x
   x = 7,144,608,243,600/1,821,328
6. Step 6: Final answer
   x = 3,922,746.61