Finding the Third Proportional to 90,812 and 99,196

Step by Step Solution

1. Step 1: Write the proportion equation
   90,812 : 99,196 = 99,196 : x
2. Step 2: Convert to fraction form
   90,812/99,196 = 99,196/x
3. Step 3: Cross multiply
   90,812x = 99,196 × 99,196
4. Step 4: Simplify right side
   90,812x = 9,839,846,416
5. Step 5: Solve for x
   x = 9,839,846,416/90,812
6. Step 6: Final answer
   x = 108,354.03