Finding the Third Proportional to 192,579 and 281,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,579 : 281,737.50 = 281,737.50 : x
2. Step 2: Convert to fraction form
   192,579/281,737.50 = 281,737.50/x
3. Step 3: Cross multiply
   192,579x = 281,737.50 × 281,737.50
4. Step 4: Simplify right side
   192,579x = 79,376,018,906.25
5. Step 5: Solve for x
   x = 79,376,018,906.25/192,579
6. Step 6: Final answer
   x = 412,173.80