Finding the Third Proportional to 8,664,019.50 and 13,469,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,664,019.50 : 13,469,881.50 = 13,469,881.50 : x
2. Step 2: Convert to fraction form
   8,664,019.50/13,469,881.50 = 13,469,881.50/x
3. Step 3: Cross multiply
   8,664,019.50x = 13,469,881.50 × 13,469,881.50
4. Step 4: Simplify right side
   8,664,019.50x = 181,437,707,624,042.25
5. Step 5: Solve for x
   x = 181,437,707,624,042.25/8,664,019.50
6. Step 6: Final answer
   x = 20,941,516.54