Finding the Third Proportional to 152,691.75 and 224,478

Step by Step Solution

1. Step 1: Write the proportion equation
   152,691.75 : 224,478 = 224,478 : x
2. Step 2: Convert to fraction form
   152,691.75/224,478 = 224,478/x
3. Step 3: Cross multiply
   152,691.75x = 224,478 × 224,478
4. Step 4: Simplify right side
   152,691.75x = 50,390,372,484
5. Step 5: Solve for x
   x = 50,390,372,484/152,691.75
6. Step 6: Final answer
   x = 330,013.72