Finding the Third Proportional to 328,122.56 and 535,789.69

Step by Step Solution

1. Step 1: Write the proportion equation
   328,122.56 : 535,789.69 = 535,789.69 : x
2. Step 2: Convert to fraction form
   328,122.56/535,789.69 = 535,789.69/x
3. Step 3: Cross multiply
   328,122.56x = 535,789.69 × 535,789.69
4. Step 4: Simplify right side
   328,122.56x = 287,070,589,231.35
5. Step 5: Solve for x
   x = 287,070,589,231.35/328,122.56
6. Step 6: Final answer
   x = 874,888.29