Finding the Third Proportional to 3,845,584.69 and 8,424,892.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845,584.69 : 8,424,892.69 = 8,424,892.69 : x
2. Step 2: Convert to fraction form
   3,845,584.69/8,424,892.69 = 8,424,892.69/x
3. Step 3: Cross multiply
   3,845,584.69x = 8,424,892.69 × 8,424,892.69
4. Step 4: Simplify right side
   3,845,584.69x = 70,978,816,795,890.97
5. Step 5: Solve for x
   x = 70,978,816,795,890.97/3,845,584.69
6. Step 6: Final answer
   x = 18,457,223.69