Finding the Third Proportional to 1,812.38 and 4,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.38 : 4,855.50 = 4,855.50 : x
2. Step 2: Convert to fraction form
   1,812.38/4,855.50 = 4,855.50/x
3. Step 3: Cross multiply
   1,812.38x = 4,855.50 × 4,855.50
4. Step 4: Simplify right side
   1,812.38x = 23,575,880.25
5. Step 5: Solve for x
   x = 23,575,880.25/1,812.38
6. Step 6: Final answer
   x = 13,008.28