Finding the Third Proportional to 179,436 and 278,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,436 : 278,635.50 = 278,635.50 : x
2. Step 2: Convert to fraction form
   179,436/278,635.50 = 278,635.50/x
3. Step 3: Cross multiply
   179,436x = 278,635.50 × 278,635.50
4. Step 4: Simplify right side
   179,436x = 77,637,741,860.25
5. Step 5: Solve for x
   x = 77,637,741,860.25/179,436
6. Step 6: Final answer
   x = 432,676.51