Finding the Third Proportional to 100,417.50 and 155,484

Step by Step Solution

1. Step 1: Write the proportion equation
   100,417.50 : 155,484 = 155,484 : x
2. Step 2: Convert to fraction form
   100,417.50/155,484 = 155,484/x
3. Step 3: Cross multiply
   100,417.50x = 155,484 × 155,484
4. Step 4: Simplify right side
   100,417.50x = 24,175,274,256
5. Step 5: Solve for x
   x = 24,175,274,256/100,417.50
6. Step 6: Final answer
   x = 240,747.62