Finding the Third Proportional to 7,200,996 and 16,998,630

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200,996 : 16,998,630 = 16,998,630 : x
2. Step 2: Convert to fraction form
   7,200,996/16,998,630 = 16,998,630/x
3. Step 3: Cross multiply
   7,200,996x = 16,998,630 × 16,998,630
4. Step 4: Simplify right side
   7,200,996x = 288,953,421,876,900
5. Step 5: Solve for x
   x = 288,953,421,876,900/7,200,996
6. Step 6: Final answer
   x = 40,126,868.82