Finding the Third Proportional to 151,974 and 351,821.25

Step by Step Solution

1. Step 1: Write the proportion equation
   151,974 : 351,821.25 = 351,821.25 : x
2. Step 2: Convert to fraction form
   151,974/351,821.25 = 351,821.25/x
3. Step 3: Cross multiply
   151,974x = 351,821.25 × 351,821.25
4. Step 4: Simplify right side
   151,974x = 123,778,191,951.56
5. Step 5: Solve for x
   x = 123,778,191,951.56/151,974
6. Step 6: Final answer
   x = 814,469.53