Finding the Third Proportional to 45,366.75 and 99,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,366.75 : 99,790.50 = 99,790.50 : x
2. Step 2: Convert to fraction form
   45,366.75/99,790.50 = 99,790.50/x
3. Step 3: Cross multiply
   45,366.75x = 99,790.50 × 99,790.50
4. Step 4: Simplify right side
   45,366.75x = 9,958,143,890.25
5. Step 5: Solve for x
   x = 9,958,143,890.25/45,366.75
6. Step 6: Final answer
   x = 219,503.14