Finding the Third Proportional to 28,996 and 42,455

Step by Step Solution

1. Step 1: Write the proportion equation
   28,996 : 42,455 = 42,455 : x
2. Step 2: Convert to fraction form
   28,996/42,455 = 42,455/x
3. Step 3: Cross multiply
   28,996x = 42,455 × 42,455
4. Step 4: Simplify right side
   28,996x = 1,802,427,025
5. Step 5: Solve for x
   x = 1,802,427,025/28,996
6. Step 6: Final answer
   x = 62,161.23