Finding the Third Proportional to 153,928.50 and 230,274

Step by Step Solution

1. Step 1: Write the proportion equation
   153,928.50 : 230,274 = 230,274 : x
2. Step 2: Convert to fraction form
   153,928.50/230,274 = 230,274/x
3. Step 3: Cross multiply
   153,928.50x = 230,274 × 230,274
4. Step 4: Simplify right side
   153,928.50x = 53,026,115,076
5. Step 5: Solve for x
   x = 53,026,115,076/153,928.50
6. Step 6: Final answer
   x = 344,485.36