Finding the Third Proportional to 28,268.16 and 38,390.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,268.16 : 38,390.63 = 38,390.63 : x
2. Step 2: Convert to fraction form
   28,268.16/38,390.63 = 38,390.63/x
3. Step 3: Cross multiply
   28,268.16x = 38,390.63 × 38,390.63
4. Step 4: Simplify right side
   28,268.16x = 1,473,840,087.89
5. Step 5: Solve for x
   x = 1,473,840,087.89/28,268.16
6. Step 6: Final answer
   x = 52,137.82