Finding the Third Proportional to 116,662.78 and 188,423.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,662.78 : 188,423.72 = 188,423.72 : x
2. Step 2: Convert to fraction form
   116,662.78/188,423.72 = 188,423.72/x
3. Step 3: Cross multiply
   116,662.78x = 188,423.72 × 188,423.72
4. Step 4: Simplify right side
   116,662.78x = 35,503,497,787.58
5. Step 5: Solve for x
   x = 35,503,497,787.58/116,662.78
6. Step 6: Final answer
   x = 304,325.83