Finding the Third Proportional to 28,375 and 42,957

Step by Step Solution

1. Step 1: Write the proportion equation
   28,375 : 42,957 = 42,957 : x
2. Step 2: Convert to fraction form
   28,375/42,957 = 42,957/x
3. Step 3: Cross multiply
   28,375x = 42,957 × 42,957
4. Step 4: Simplify right side
   28,375x = 1,845,303,849
5. Step 5: Solve for x
   x = 1,845,303,849/28,375
6. Step 6: Final answer
   x = 65,032.73