Finding the Third Proportional to 1,993,425 and 2,989,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993,425 : 2,989,512 = 2,989,512 : x
2. Step 2: Convert to fraction form
   1,993,425/2,989,512 = 2,989,512/x
3. Step 3: Cross multiply
   1,993,425x = 2,989,512 × 2,989,512
4. Step 4: Simplify right side
   1,993,425x = 8,937,181,998,144
5. Step 5: Solve for x
   x = 8,937,181,998,144/1,993,425
6. Step 6: Final answer
   x = 4,483,329.95