Finding the Third Proportional to 18,107.30 and 37,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   18,107.30 : 37,870.03 = 37,870.03 : x
2. Step 2: Convert to fraction form
   18,107.30/37,870.03 = 37,870.03/x
3. Step 3: Cross multiply
   18,107.30x = 37,870.03 × 37,870.03
4. Step 4: Simplify right side
   18,107.30x = 1,434,139,266.88
5. Step 5: Solve for x
   x = 1,434,139,266.88/18,107.30
6. Step 6: Final answer
   x = 79,202.28