Finding the Third Proportional to 155,440.50 and 240,030

Step by Step Solution

1. Step 1: Write the proportion equation
   155,440.50 : 240,030 = 240,030 : x
2. Step 2: Convert to fraction form
   155,440.50/240,030 = 240,030/x
3. Step 3: Cross multiply
   155,440.50x = 240,030 × 240,030
4. Step 4: Simplify right side
   155,440.50x = 57,614,400,900
5. Step 5: Solve for x
   x = 57,614,400,900/155,440.50
6. Step 6: Final answer
   x = 370,652.44