Finding the Third Proportional to 43,190.25 and 65,389.31

Step by Step Solution

1. Step 1: Write the proportion equation
   43,190.25 : 65,389.31 = 65,389.31 : x
2. Step 2: Convert to fraction form
   43,190.25/65,389.31 = 65,389.31/x
3. Step 3: Cross multiply
   43,190.25x = 65,389.31 × 65,389.31
4. Step 4: Simplify right side
   43,190.25x = 4,275,762,189.22
5. Step 5: Solve for x
   x = 4,275,762,189.22/43,190.25
6. Step 6: Final answer
   x = 98,998.32