Finding the Third Proportional to 116,530 and 253,819

Step by Step Solution

1. Step 1: Write the proportion equation
   116,530 : 253,819 = 253,819 : x
2. Step 2: Convert to fraction form
   116,530/253,819 = 253,819/x
3. Step 3: Cross multiply
   116,530x = 253,819 × 253,819
4. Step 4: Simplify right side
   116,530x = 64,424,084,761
5. Step 5: Solve for x
   x = 64,424,084,761/116,530
6. Step 6: Final answer
   x = 552,854.07