Finding the Third Proportional to 1,821,330 and 2,672,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,330 : 2,672,946 = 2,672,946 : x
2. Step 2: Convert to fraction form
   1,821,330/2,672,946 = 2,672,946/x
3. Step 3: Cross multiply
   1,821,330x = 2,672,946 × 2,672,946
4. Step 4: Simplify right side
   1,821,330x = 7,144,640,318,916
5. Step 5: Solve for x
   x = 7,144,640,318,916/1,821,330
6. Step 6: Final answer
   x = 3,922,759.92