Finding the Third Proportional to 45,578.25 and 98,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,578.25 : 98,446.50 = 98,446.50 : x
2. Step 2: Convert to fraction form
   45,578.25/98,446.50 = 98,446.50/x
3. Step 3: Cross multiply
   45,578.25x = 98,446.50 × 98,446.50
4. Step 4: Simplify right side
   45,578.25x = 9,691,713,362.25
5. Step 5: Solve for x
   x = 9,691,713,362.25/45,578.25
6. Step 6: Final answer
   x = 212,639.00