Finding the Third Proportional to 90,812 and 185,634

Step by Step Solution

1. Step 1: Write the proportion equation
   90,812 : 185,634 = 185,634 : x
2. Step 2: Convert to fraction form
   90,812/185,634 = 185,634/x
3. Step 3: Cross multiply
   90,812x = 185,634 × 185,634
4. Step 4: Simplify right side
   90,812x = 34,459,981,956
5. Step 5: Solve for x
   x = 34,459,981,956/90,812
6. Step 6: Final answer
   x = 379,465.07