Finding the Third Proportional to 43,636 and 65,819

Step by Step Solution

1. Step 1: Write the proportion equation
   43,636 : 65,819 = 65,819 : x
2. Step 2: Convert to fraction form
   43,636/65,819 = 65,819/x
3. Step 3: Cross multiply
   43,636x = 65,819 × 65,819
4. Step 4: Simplify right side
   43,636x = 4,332,140,761
5. Step 5: Solve for x
   x = 4,332,140,761/43,636
6. Step 6: Final answer
   x = 99,279.05