Finding the Third Proportional to 92,429.50 and 189,230

Step by Step Solution

1. Step 1: Write the proportion equation
   92,429.50 : 189,230 = 189,230 : x
2. Step 2: Convert to fraction form
   92,429.50/189,230 = 189,230/x
3. Step 3: Cross multiply
   92,429.50x = 189,230 × 189,230
4. Step 4: Simplify right side
   92,429.50x = 35,807,992,900
5. Step 5: Solve for x
   x = 35,807,992,900/92,429.50
6. Step 6: Final answer
   x = 387,408.71