Finding the Third Proportional to 45,340.50 and 99,729

Step by Step Solution

1. Step 1: Write the proportion equation
   45,340.50 : 99,729 = 99,729 : x
2. Step 2: Convert to fraction form
   45,340.50/99,729 = 99,729/x
3. Step 3: Cross multiply
   45,340.50x = 99,729 × 99,729
4. Step 4: Simplify right side
   45,340.50x = 9,945,873,441
5. Step 5: Solve for x
   x = 9,945,873,441/45,340.50
6. Step 6: Final answer
   x = 219,359.59