Finding the Third Proportional to 8,636.63 and 18,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,636.63 : 18,300.94 = 18,300.94 : x
2. Step 2: Convert to fraction form
   8,636.63/18,300.94 = 18,300.94/x
3. Step 3: Cross multiply
   8,636.63x = 18,300.94 × 18,300.94
4. Step 4: Simplify right side
   8,636.63x = 334,924,313.38
5. Step 5: Solve for x
   x = 334,924,313.38/8,636.63
6. Step 6: Final answer
   x = 38,779.54