Finding the Third Proportional to 146,764 and 321,560

Step by Step Solution

1. Step 1: Write the proportion equation
   146,764 : 321,560 = 321,560 : x
2. Step 2: Convert to fraction form
   146,764/321,560 = 321,560/x
3. Step 3: Cross multiply
   146,764x = 321,560 × 321,560
4. Step 4: Simplify right side
   146,764x = 103,400,833,600
5. Step 5: Solve for x
   x = 103,400,833,600/146,764
6. Step 6: Final answer
   x = 704,538.13