Finding the Third Proportional to 116,330 and 245,716

Step by Step Solution

1. Step 1: Write the proportion equation
   116,330 : 245,716 = 245,716 : x
2. Step 2: Convert to fraction form
   116,330/245,716 = 245,716/x
3. Step 3: Cross multiply
   116,330x = 245,716 × 245,716
4. Step 4: Simplify right side
   116,330x = 60,376,352,656
5. Step 5: Solve for x
   x = 60,376,352,656/116,330
6. Step 6: Final answer
   x = 519,009.31