Finding the Third Proportional to 99,109.50 and 211,026

Step by Step Solution

1. Step 1: Write the proportion equation
   99,109.50 : 211,026 = 211,026 : x
2. Step 2: Convert to fraction form
   99,109.50/211,026 = 211,026/x
3. Step 3: Cross multiply
   99,109.50x = 211,026 × 211,026
4. Step 4: Simplify right side
   99,109.50x = 44,531,972,676
5. Step 5: Solve for x
   x = 44,531,972,676/99,109.50
6. Step 6: Final answer
   x = 449,320.93