Finding the Third Proportional to 19,370 and 28,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,370 : 28,978 = 28,978 : x
2. Step 2: Convert to fraction form
   19,370/28,978 = 28,978/x
3. Step 3: Cross multiply
   19,370x = 28,978 × 28,978
4. Step 4: Simplify right side
   19,370x = 839,724,484
5. Step 5: Solve for x
   x = 839,724,484/19,370
6. Step 6: Final answer
   x = 43,351.81