Finding the Third Proportional to 1,969,878 and 4,313,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,878 : 4,313,436 = 4,313,436 : x
2. Step 2: Convert to fraction form
   1,969,878/4,313,436 = 4,313,436/x
3. Step 3: Cross multiply
   1,969,878x = 4,313,436 × 4,313,436
4. Step 4: Simplify right side
   1,969,878x = 18,605,730,126,096
5. Step 5: Solve for x
   x = 18,605,730,126,096/1,969,878
6. Step 6: Final answer
   x = 9,445,117.99