Finding the Third Proportional to 174,853.69 and 262,279.69

Step by Step Solution

1. Step 1: Write the proportion equation
   174,853.69 : 262,279.69 = 262,279.69 : x
2. Step 2: Convert to fraction form
   174,853.69/262,279.69 = 262,279.69/x
3. Step 3: Cross multiply
   174,853.69x = 262,279.69 × 262,279.69
4. Step 4: Simplify right side
   174,853.69x = 68,790,634,475.10
5. Step 5: Solve for x
   x = 68,790,634,475.10/174,853.69
6. Step 6: Final answer
   x = 393,418.27