Finding the Third Proportional to 15,078.50 and 32,970

Step by Step Solution

1. Step 1: Write the proportion equation
   15,078.50 : 32,970 = 32,970 : x
2. Step 2: Convert to fraction form
   15,078.50/32,970 = 32,970/x
3. Step 3: Cross multiply
   15,078.50x = 32,970 × 32,970
4. Step 4: Simplify right side
   15,078.50x = 1,087,020,900
5. Step 5: Solve for x
   x = 1,087,020,900/15,078.50
6. Step 6: Final answer
   x = 72,090.78