Finding the Third Proportional to 28,643.63 and 37,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,643.63 : 37,072.69 = 37,072.69 : x
2. Step 2: Convert to fraction form
   28,643.63/37,072.69 = 37,072.69/x
3. Step 3: Cross multiply
   28,643.63x = 37,072.69 × 37,072.69
4. Step 4: Simplify right side
   28,643.63x = 1,374,384,158.47
5. Step 5: Solve for x
   x = 1,374,384,158.47/28,643.63
6. Step 6: Final answer
   x = 47,982.20