Finding the Third Proportional to 20,199.38 and 37,870.03

Step by Step Solution

1. Step 1: Write the proportion equation
   20,199.38 : 37,870.03 = 37,870.03 : x
2. Step 2: Convert to fraction form
   20,199.38/37,870.03 = 37,870.03/x
3. Step 3: Cross multiply
   20,199.38x = 37,870.03 × 37,870.03
4. Step 4: Simplify right side
   20,199.38x = 1,434,139,266.88
5. Step 5: Solve for x
   x = 1,434,139,266.88/20,199.38
6. Step 6: Final answer
   x = 70,999.19