Finding the Third Proportional to 1,785,916 and 3,918,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785,916 : 3,918,668 = 3,918,668 : x
2. Step 2: Convert to fraction form
   1,785,916/3,918,668 = 3,918,668/x
3. Step 3: Cross multiply
   1,785,916x = 3,918,668 × 3,918,668
4. Step 4: Simplify right side
   1,785,916x = 15,355,958,894,224
5. Step 5: Solve for x
   x = 15,355,958,894,224/1,785,916
6. Step 6: Final answer
   x = 8,598,365.71