Finding the Third Proportional to 155,103.50 and 248,852.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,103.50 : 248,852.25 = 248,852.25 : x
2. Step 2: Convert to fraction form
   155,103.50/248,852.25 = 248,852.25/x
3. Step 3: Cross multiply
   155,103.50x = 248,852.25 × 248,852.25
4. Step 4: Simplify right side
   155,103.50x = 61,927,442,330.06
5. Step 5: Solve for x
   x = 61,927,442,330.06/155,103.50
6. Step 6: Final answer
   x = 399,265.28