Finding the Third Proportional to 3,561,200 and 8,398,224

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561,200 : 8,398,224 = 8,398,224 : x
2. Step 2: Convert to fraction form
   3,561,200/8,398,224 = 8,398,224/x
3. Step 3: Cross multiply
   3,561,200x = 8,398,224 × 8,398,224
4. Step 4: Simplify right side
   3,561,200x = 70,530,166,354,176
5. Step 5: Solve for x
   x = 70,530,166,354,176/3,561,200
6. Step 6: Final answer
   x = 19,805,168.58