Finding the Third Proportional to 30,379.13 and 45,568.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,379.13 : 45,568.31 = 45,568.31 : x
2. Step 2: Convert to fraction form
   30,379.13/45,568.31 = 45,568.31/x
3. Step 3: Cross multiply
   30,379.13x = 45,568.31 × 45,568.31
4. Step 4: Simplify right side
   30,379.13x = 2,076,471,104.10
5. Step 5: Solve for x
   x = 2,076,471,104.10/30,379.13
6. Step 6: Final answer
   x = 68,351.91