Finding the Third Proportional to 45,809.25 and 99,451.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,809.25 : 99,451.88 = 99,451.88 : x
2. Step 2: Convert to fraction form
   45,809.25/99,451.88 = 99,451.88/x
3. Step 3: Cross multiply
   45,809.25x = 99,451.88 × 99,451.88
4. Step 4: Simplify right side
   45,809.25x = 9,890,675,441.02
5. Step 5: Solve for x
   x = 9,890,675,441.02/45,809.25
6. Step 6: Final answer
   x = 215,910.01