Finding the Third Proportional to 8,818,228.69 and 17,990,749.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,818,228.69 : 17,990,749.69 = 17,990,749.69 : x
2. Step 2: Convert to fraction form
   8,818,228.69/17,990,749.69 = 17,990,749.69/x
3. Step 3: Cross multiply
   8,818,228.69x = 17,990,749.69 × 17,990,749.69
4. Step 4: Simplify right side
   8,818,228.69x = 323,667,074,318,281.38
5. Step 5: Solve for x
   x = 323,667,074,318,281.38/8,818,228.69
6. Step 6: Final answer
   x = 36,704,318.50