Finding the Third Proportional to 19,480.50 and 37,989

Step by Step Solution

1. Step 1: Write the proportion equation
   19,480.50 : 37,989 = 37,989 : x
2. Step 2: Convert to fraction form
   19,480.50/37,989 = 37,989/x
3. Step 3: Cross multiply
   19,480.50x = 37,989 × 37,989
4. Step 4: Simplify right side
   19,480.50x = 1,443,164,121
5. Step 5: Solve for x
   x = 1,443,164,121/19,480.50
6. Step 6: Final answer
   x = 74,082.50