Finding the Third Proportional to 3,998,190 and 5,698,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,190 : 5,698,224 = 5,698,224 : x
2. Step 2: Convert to fraction form
   3,998,190/5,698,224 = 5,698,224/x
3. Step 3: Cross multiply
   3,998,190x = 5,698,224 × 5,698,224
4. Step 4: Simplify right side
   3,998,190x = 32,469,756,754,176
5. Step 5: Solve for x
   x = 32,469,756,754,176/3,998,190
6. Step 6: Final answer
   x = 8,121,113.99