Finding the Third Proportional to 8,431,426.69 and 18,141,630.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,426.69 : 18,141,630.75 = 18,141,630.75 : x
2. Step 2: Convert to fraction form
   8,431,426.69/18,141,630.75 = 18,141,630.75/x
3. Step 3: Cross multiply
   8,431,426.69x = 18,141,630.75 × 18,141,630.75
4. Step 4: Simplify right side
   8,431,426.69x = 329,118,766,269,345.56
5. Step 5: Solve for x
   x = 329,118,766,269,345.56/8,431,426.69
6. Step 6: Final answer
   x = 39,034,765.82