Finding the Third Proportional to 21,970.13 and 51,841.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,970.13 : 51,841.69 = 51,841.69 : x
2. Step 2: Convert to fraction form
   21,970.13/51,841.69 = 51,841.69/x
3. Step 3: Cross multiply
   21,970.13x = 51,841.69 × 51,841.69
4. Step 4: Simplify right side
   21,970.13x = 2,687,560,562.85
5. Step 5: Solve for x
   x = 2,687,560,562.85/21,970.13
6. Step 6: Final answer
   x = 122,327.96