Finding the Third Proportional to 146,529 and 321,109.31

Step by Step Solution

1. Step 1: Write the proportion equation
   146,529 : 321,109.31 = 321,109.31 : x
2. Step 2: Convert to fraction form
   146,529/321,109.31 = 321,109.31/x
3. Step 3: Cross multiply
   146,529x = 321,109.31 × 321,109.31
4. Step 4: Simplify right side
   146,529x = 103,111,190,574.22
5. Step 5: Solve for x
   x = 103,111,190,574.22/146,529
6. Step 6: Final answer
   x = 703,691.36