Finding the Third Proportional to 5,673,147.75 and 8,489,667.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,673,147.75 : 8,489,667.38 = 8,489,667.38 : x
2. Step 2: Convert to fraction form
   5,673,147.75/8,489,667.38 = 8,489,667.38/x
3. Step 3: Cross multiply
   5,673,147.75x = 8,489,667.38 × 8,489,667.38
4. Step 4: Simplify right side
   5,673,147.75x = 72,074,452,138,139.39
5. Step 5: Solve for x
   x = 72,074,452,138,139.39/5,673,147.75
6. Step 6: Final answer
   x = 12,704,490.58