Finding the Third Proportional to 189,175.50 and 276,492

Step by Step Solution

1. Step 1: Write the proportion equation
   189,175.50 : 276,492 = 276,492 : x
2. Step 2: Convert to fraction form
   189,175.50/276,492 = 276,492/x
3. Step 3: Cross multiply
   189,175.50x = 276,492 × 276,492
4. Step 4: Simplify right side
   189,175.50x = 76,447,826,064
5. Step 5: Solve for x
   x = 76,447,826,064/189,175.50
6. Step 6: Final answer
   x = 404,110.61