Finding the Third Proportional to 79,039.50 and 150,789

Step by Step Solution

1. Step 1: Write the proportion equation
   79,039.50 : 150,789 = 150,789 : x
2. Step 2: Convert to fraction form
   79,039.50/150,789 = 150,789/x
3. Step 3: Cross multiply
   79,039.50x = 150,789 × 150,789
4. Step 4: Simplify right side
   79,039.50x = 22,737,322,521
5. Step 5: Solve for x
   x = 22,737,322,521/79,039.50
6. Step 6: Final answer
   x = 287,670.37