Finding the Third Proportional to 3,664,345.50 and 5,389,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664,345.50 : 5,389,942.50 = 5,389,942.50 : x
2. Step 2: Convert to fraction form
   3,664,345.50/5,389,942.50 = 5,389,942.50/x
3. Step 3: Cross multiply
   3,664,345.50x = 5,389,942.50 × 5,389,942.50
4. Step 4: Simplify right side
   3,664,345.50x = 29,051,480,153,306.25
5. Step 5: Solve for x
   x = 29,051,480,153,306.25/3,664,345.50
6. Step 6: Final answer
   x = 7,928,149.83