Finding the Third Proportional to 153,915.75 and 244,359

Step by Step Solution

1. Step 1: Write the proportion equation
   153,915.75 : 244,359 = 244,359 : x
2. Step 2: Convert to fraction form
   153,915.75/244,359 = 244,359/x
3. Step 3: Cross multiply
   153,915.75x = 244,359 × 244,359
4. Step 4: Simplify right side
   153,915.75x = 59,711,320,881
5. Step 5: Solve for x
   x = 59,711,320,881/153,915.75
6. Step 6: Final answer
   x = 387,948.09