Finding the Third Proportional to 43,147.50 and 57,986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   43,147.50 : 57,986.25 = 57,986.25 : x
2. Step 2: Convert to fraction form
   43,147.50/57,986.25 = 57,986.25/x
3. Step 3: Cross multiply
   43,147.50x = 57,986.25 × 57,986.25
4. Step 4: Simplify right side
   43,147.50x = 3,362,405,189.06
5. Step 5: Solve for x
   x = 3,362,405,189.06/43,147.50
6. Step 6: Final answer
   x = 77,928.16