Finding the Third Proportional to 11,970.60 and 28,348.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,970.60 : 28,348.42 = 28,348.42 : x
2. Step 2: Convert to fraction form
   11,970.60/28,348.42 = 28,348.42/x
3. Step 3: Cross multiply
   11,970.60x = 28,348.42 × 28,348.42
4. Step 4: Simplify right side
   11,970.60x = 803,632,801.33
5. Step 5: Solve for x
   x = 803,632,801.33/11,970.60
6. Step 6: Final answer
   x = 67,133.89