Finding the Third Proportional to 19,864 and 28,970

Step by Step Solution

1. Step 1: Write the proportion equation
   19,864 : 28,970 = 28,970 : x
2. Step 2: Convert to fraction form
   19,864/28,970 = 28,970/x
3. Step 3: Cross multiply
   19,864x = 28,970 × 28,970
4. Step 4: Simplify right side
   19,864x = 839,260,900
5. Step 5: Solve for x
   x = 839,260,900/19,864
6. Step 6: Final answer
   x = 42,250.35