Finding the Third Proportional to 404,230.50 and 606,300.19

Step by Step Solution

1. Step 1: Write the proportion equation
   404,230.50 : 606,300.19 = 606,300.19 : x
2. Step 2: Convert to fraction form
   404,230.50/606,300.19 = 606,300.19/x
3. Step 3: Cross multiply
   404,230.50x = 606,300.19 × 606,300.19
4. Step 4: Simplify right side
   404,230.50x = 367,599,917,362.54
5. Step 5: Solve for x
   x = 367,599,917,362.54/404,230.50
6. Step 6: Final answer
   x = 909,381.94