Finding the Third Proportional to 28,200 and 37,992

Step by Step Solution

1. Step 1: Write the proportion equation
   28,200 : 37,992 = 37,992 : x
2. Step 2: Convert to fraction form
   28,200/37,992 = 37,992/x
3. Step 3: Cross multiply
   28,200x = 37,992 × 37,992
4. Step 4: Simplify right side
   28,200x = 1,443,392,064
5. Step 5: Solve for x
   x = 1,443,392,064/28,200
6. Step 6: Final answer
   x = 51,184.12