Finding the Third Proportional to 4,151,648 and 8,985,648

Step by Step Solution

1. Step 1: Write the proportion equation
   4,151,648 : 8,985,648 = 8,985,648 : x
2. Step 2: Convert to fraction form
   4,151,648/8,985,648 = 8,985,648/x
3. Step 3: Cross multiply
   4,151,648x = 8,985,648 × 8,985,648
4. Step 4: Simplify right side
   4,151,648x = 80,741,869,979,904
5. Step 5: Solve for x
   x = 80,741,869,979,904/4,151,648
6. Step 6: Final answer
   x = 19,448,149.26