Finding the Third Proportional to 569,855.25 and 879,454.69

Step by Step Solution

1. Step 1: Write the proportion equation
   569,855.25 : 879,454.69 = 879,454.69 : x
2. Step 2: Convert to fraction form
   569,855.25/879,454.69 = 879,454.69/x
3. Step 3: Cross multiply
   569,855.25x = 879,454.69 × 879,454.69
4. Step 4: Simplify right side
   569,855.25x = 773,440,547,365.72
5. Step 5: Solve for x
   x = 773,440,547,365.72/569,855.25
6. Step 6: Final answer
   x = 1,357,257.91