Finding the Third Proportional to 20,970 and 30,590.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,970 : 30,590.25 = 30,590.25 : x
2. Step 2: Convert to fraction form
   20,970/30,590.25 = 30,590.25/x
3. Step 3: Cross multiply
   20,970x = 30,590.25 × 30,590.25
4. Step 4: Simplify right side
   20,970x = 935,763,395.06
5. Step 5: Solve for x
   x = 935,763,395.06/20,970
6. Step 6: Final answer
   x = 44,623.91