Finding the Third Proportional to 18,905.63 and 28,353.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,905.63 : 28,353.38 = 28,353.38 : x
2. Step 2: Convert to fraction form
   18,905.63/28,353.38 = 28,353.38/x
3. Step 3: Cross multiply
   18,905.63x = 28,353.38 × 28,353.38
4. Step 4: Simplify right side
   18,905.63x = 803,913,873.89
5. Step 5: Solve for x
   x = 803,913,873.89/18,905.63
6. Step 6: Final answer
   x = 42,522.47