Finding the Third Proportional to 25,565.50 and 55,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,565.50 : 55,779.50 = 55,779.50 : x
2. Step 2: Convert to fraction form
   25,565.50/55,779.50 = 55,779.50/x
3. Step 3: Cross multiply
   25,565.50x = 55,779.50 × 55,779.50
4. Step 4: Simplify right side
   25,565.50x = 3,111,352,620.25
5. Step 5: Solve for x
   x = 3,111,352,620.25/25,565.50
6. Step 6: Final answer
   x = 121,701.22