Finding the Third Proportional to 18,059.63 and 38,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,059.63 : 38,623.50 = 38,623.50 : x
2. Step 2: Convert to fraction form
   18,059.63/38,623.50 = 38,623.50/x
3. Step 3: Cross multiply
   18,059.63x = 38,623.50 × 38,623.50
4. Step 4: Simplify right side
   18,059.63x = 1,491,774,752.25
5. Step 5: Solve for x
   x = 1,491,774,752.25/18,059.63
6. Step 6: Final answer
   x = 82,602.75