Finding the Third Proportional to 147,928.50 and 240,336

Step by Step Solution

1. Step 1: Write the proportion equation
   147,928.50 : 240,336 = 240,336 : x
2. Step 2: Convert to fraction form
   147,928.50/240,336 = 240,336/x
3. Step 3: Cross multiply
   147,928.50x = 240,336 × 240,336
4. Step 4: Simplify right side
   147,928.50x = 57,761,392,896
5. Step 5: Solve for x
   x = 57,761,392,896/147,928.50
6. Step 6: Final answer
   x = 390,468.32