Finding the Third Proportional to 1,980.70 and 4,314.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.70 : 4,314.52 = 4,314.52 : x
2. Step 2: Convert to fraction form
   1,980.70/4,314.52 = 4,314.52/x
3. Step 3: Cross multiply
   1,980.70x = 4,314.52 × 4,314.52
4. Step 4: Simplify right side
   1,980.70x = 18,615,045.08
5. Step 5: Solve for x
   x = 18,615,045.08/1,980.70
6. Step 6: Final answer
   x = 9,398.20