Finding the Third Proportional to 28,872 and 63,036

Step by Step Solution

1. Step 1: Write the proportion equation
   28,872 : 63,036 = 63,036 : x
2. Step 2: Convert to fraction form
   28,872/63,036 = 63,036/x
3. Step 3: Cross multiply
   28,872x = 63,036 × 63,036
4. Step 4: Simplify right side
   28,872x = 3,973,537,296
5. Step 5: Solve for x
   x = 3,973,537,296/28,872
6. Step 6: Final answer
   x = 137,625.98