Finding the Third Proportional to 116,942 and 248,460

Step by Step Solution

1. Step 1: Write the proportion equation
   116,942 : 248,460 = 248,460 : x
2. Step 2: Convert to fraction form
   116,942/248,460 = 248,460/x
3. Step 3: Cross multiply
   116,942x = 248,460 × 248,460
4. Step 4: Simplify right side
   116,942x = 61,732,371,600
5. Step 5: Solve for x
   x = 61,732,371,600/116,942
6. Step 6: Final answer
   x = 527,888.80