Finding the Third Proportional to 1,821,306 and 2,672,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,306 : 2,672,910 = 2,672,910 : x
2. Step 2: Convert to fraction form
   1,821,306/2,672,910 = 2,672,910/x
3. Step 3: Cross multiply
   1,821,306x = 2,672,910 × 2,672,910
4. Step 4: Simplify right side
   1,821,306x = 7,144,447,868,100
5. Step 5: Solve for x
   x = 7,144,447,868,100/1,821,306
6. Step 6: Final answer
   x = 3,922,705.94