Finding the Third Proportional to 641,485.83 and 896,836.59

Step by Step Solution

1. Step 1: Write the proportion equation
   641,485.83 : 896,836.59 = 896,836.59 : x
2. Step 2: Convert to fraction form
   641,485.83/896,836.59 = 896,836.59/x
3. Step 3: Cross multiply
   641,485.83x = 896,836.59 × 896,836.59
4. Step 4: Simplify right side
   641,485.83x = 804,315,865,379.29
5. Step 5: Solve for x
   x = 804,315,865,379.29/641,485.83
6. Step 6: Final answer
   x = 1,253,832.63