Finding the Third Proportional to 186,279.75 and 404,964.56

Step by Step Solution

1. Step 1: Write the proportion equation
   186,279.75 : 404,964.56 = 404,964.56 : x
2. Step 2: Convert to fraction form
   186,279.75/404,964.56 = 404,964.56/x
3. Step 3: Cross multiply
   186,279.75x = 404,964.56 × 404,964.56
4. Step 4: Simplify right side
   186,279.75x = 163,996,296,880.82
5. Step 5: Solve for x
   x = 163,996,296,880.82/186,279.75
6. Step 6: Final answer
   x = 880,376.41