Finding the Third Proportional to 20,970 and 32,730

Step by Step Solution

1. Step 1: Write the proportion equation
   20,970 : 32,730 = 32,730 : x
2. Step 2: Convert to fraction form
   20,970/32,730 = 32,730/x
3. Step 3: Cross multiply
   20,970x = 32,730 × 32,730
4. Step 4: Simplify right side
   20,970x = 1,071,252,900
5. Step 5: Solve for x
   x = 1,071,252,900/20,970
6. Step 6: Final answer
   x = 51,085.02