Finding the Third Proportional to 64,359.75 and 99,653.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,359.75 : 99,653.25 = 99,653.25 : x
2. Step 2: Convert to fraction form
   64,359.75/99,653.25 = 99,653.25/x
3. Step 3: Cross multiply
   64,359.75x = 99,653.25 × 99,653.25
4. Step 4: Simplify right side
   64,359.75x = 9,930,770,235.56
5. Step 5: Solve for x
   x = 9,930,770,235.56/64,359.75
6. Step 6: Final answer
   x = 154,300.94