Finding the Third Proportional to 43,128 and 57,954

Step by Step Solution

1. Step 1: Write the proportion equation
   43,128 : 57,954 = 57,954 : x
2. Step 2: Convert to fraction form
   43,128/57,954 = 57,954/x
3. Step 3: Cross multiply
   43,128x = 57,954 × 57,954
4. Step 4: Simplify right side
   43,128x = 3,358,666,116
5. Step 5: Solve for x
   x = 3,358,666,116/43,128
6. Step 6: Final answer
   x = 77,876.70