Finding the Third Proportional to 116,390 and 248,044

Step by Step Solution

1. Step 1: Write the proportion equation
   116,390 : 248,044 = 248,044 : x
2. Step 2: Convert to fraction form
   116,390/248,044 = 248,044/x
3. Step 3: Cross multiply
   116,390x = 248,044 × 248,044
4. Step 4: Simplify right side
   116,390x = 61,525,825,936
5. Step 5: Solve for x
   x = 61,525,825,936/116,390
6. Step 6: Final answer
   x = 528,617.80