Finding the Third Proportional to 92,429 and 189,229

Step by Step Solution

1. Step 1: Write the proportion equation
   92,429 : 189,229 = 189,229 : x
2. Step 2: Convert to fraction form
   92,429/189,229 = 189,229/x
3. Step 3: Cross multiply
   92,429x = 189,229 × 189,229
4. Step 4: Simplify right side
   92,429x = 35,807,614,441
5. Step 5: Solve for x
   x = 35,807,614,441/92,429
6. Step 6: Final answer
   x = 387,406.71