Finding the Third Proportional to 16,399,381.50 and 25,458,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399,381.50 : 25,458,583.50 = 25,458,583.50 : x
2. Step 2: Convert to fraction form
   16,399,381.50/25,458,583.50 = 25,458,583.50/x
3. Step 3: Cross multiply
   16,399,381.50x = 25,458,583.50 × 25,458,583.50
4. Step 4: Simplify right side
   16,399,381.50x = 648,139,473,826,472.25
5. Step 5: Solve for x
   x = 648,139,473,826,472.25/16,399,381.50
6. Step 6: Final answer
   x = 39,522,190.14