Finding the Third Proportional to 116,826 and 245,316

Step by Step Solution

1. Step 1: Write the proportion equation
   116,826 : 245,316 = 245,316 : x
2. Step 2: Convert to fraction form
   116,826/245,316 = 245,316/x
3. Step 3: Cross multiply
   116,826x = 245,316 × 245,316
4. Step 4: Simplify right side
   116,826x = 60,179,939,856
5. Step 5: Solve for x
   x = 60,179,939,856/116,826
6. Step 6: Final answer
   x = 515,124.54