Finding the Third Proportional to 25,620.61 and 56,285.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,620.61 : 56,285.30 = 56,285.30 : x
2. Step 2: Convert to fraction form
   25,620.61/56,285.30 = 56,285.30/x
3. Step 3: Cross multiply
   25,620.61x = 56,285.30 × 56,285.30
4. Step 4: Simplify right side
   25,620.61x = 3,168,034,644.31
5. Step 5: Solve for x
   x = 3,168,034,644.31/25,620.61
6. Step 6: Final answer
   x = 123,651.81