Finding the Third Proportional to 155,268 and 240,510

Step by Step Solution

1. Step 1: Write the proportion equation
   155,268 : 240,510 = 240,510 : x
2. Step 2: Convert to fraction form
   155,268/240,510 = 240,510/x
3. Step 3: Cross multiply
   155,268x = 240,510 × 240,510
4. Step 4: Simplify right side
   155,268x = 57,845,060,100
5. Step 5: Solve for x
   x = 57,845,060,100/155,268
6. Step 6: Final answer
   x = 372,549.79