Finding the Third Proportional to 45,557.44 and 99,969.19

Step by Step Solution

1. Step 1: Write the proportion equation
   45,557.44 : 99,969.19 = 99,969.19 : x
2. Step 2: Convert to fraction form
   45,557.44/99,969.19 = 99,969.19/x
3. Step 3: Cross multiply
   45,557.44x = 99,969.19 × 99,969.19
4. Step 4: Simplify right side
   45,557.44x = 9,993,838,449.41
5. Step 5: Solve for x
   x = 9,993,838,449.41/45,557.44
6. Step 6: Final answer
   x = 219,367.88