Finding the Third Proportional to 8,460 and 18,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,460 : 18,301.50 = 18,301.50 : x
2. Step 2: Convert to fraction form
   8,460/18,301.50 = 18,301.50/x
3. Step 3: Cross multiply
   8,460x = 18,301.50 × 18,301.50
4. Step 4: Simplify right side
   8,460x = 334,944,902.25
5. Step 5: Solve for x
   x = 334,944,902.25/8,460
6. Step 6: Final answer
   x = 39,591.60