Finding the Third Proportional to 21,843 and 51,343.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,843 : 51,343.50 = 51,343.50 : x
2. Step 2: Convert to fraction form
   21,843/51,343.50 = 51,343.50/x
3. Step 3: Cross multiply
   21,843x = 51,343.50 × 51,343.50
4. Step 4: Simplify right side
   21,843x = 2,636,154,992.25
5. Step 5: Solve for x
   x = 2,636,154,992.25/21,843
6. Step 6: Final answer
   x = 120,686.49