Finding the Third Proportional to 20,779.88 and 31,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,779.88 : 31,002.75 = 31,002.75 : x
2. Step 2: Convert to fraction form
   20,779.88/31,002.75 = 31,002.75/x
3. Step 3: Cross multiply
   20,779.88x = 31,002.75 × 31,002.75
4. Step 4: Simplify right side
   20,779.88x = 961,170,507.56
5. Step 5: Solve for x
   x = 961,170,507.56/20,779.88
6. Step 6: Final answer
   x = 46,254.87