Finding the Third Proportional to 43,621.31 and 65,796.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,621.31 : 65,796.75 = 65,796.75 : x
2. Step 2: Convert to fraction form
   43,621.31/65,796.75 = 65,796.75/x
3. Step 3: Cross multiply
   43,621.31x = 65,796.75 × 65,796.75
4. Step 4: Simplify right side
   43,621.31x = 4,329,212,310.56
5. Step 5: Solve for x
   x = 4,329,212,310.56/43,621.31
6. Step 6: Final answer
   x = 99,245.35