Finding the Third Proportional to 3,826,309.50 and 8,399,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826,309.50 : 8,399,020.50 = 8,399,020.50 : x
2. Step 2: Convert to fraction form
   3,826,309.50/8,399,020.50 = 8,399,020.50/x
3. Step 3: Cross multiply
   3,826,309.50x = 8,399,020.50 × 8,399,020.50
4. Step 4: Simplify right side
   3,826,309.50x = 70,543,545,359,420.25
5. Step 5: Solve for x
   x = 70,543,545,359,420.25/3,826,309.50
6. Step 6: Final answer
   x = 18,436,445.19