Finding the Third Proportional to 43,137 and 57,969

Step by Step Solution

1. Step 1: Write the proportion equation
   43,137 : 57,969 = 57,969 : x
2. Step 2: Convert to fraction form
   43,137/57,969 = 57,969/x
3. Step 3: Cross multiply
   43,137x = 57,969 × 57,969
4. Step 4: Simplify right side
   43,137x = 3,360,404,961
5. Step 5: Solve for x
   x = 3,360,404,961/43,137
6. Step 6: Final answer
   x = 77,900.76