Finding the Third Proportional to 140,529 and 331,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,529 : 331,726.50 = 331,726.50 : x
2. Step 2: Convert to fraction form
   140,529/331,726.50 = 331,726.50/x
3. Step 3: Cross multiply
   140,529x = 331,726.50 × 331,726.50
4. Step 4: Simplify right side
   140,529x = 110,042,470,802.25
5. Step 5: Solve for x
   x = 110,042,470,802.25/140,529
6. Step 6: Final answer
   x = 783,058.80