Finding the Third Proportional to 45,456.19 and 99,173.81

Step by Step Solution

1. Step 1: Write the proportion equation
   45,456.19 : 99,173.81 = 99,173.81 : x
2. Step 2: Convert to fraction form
   45,456.19/99,173.81 = 99,173.81/x
3. Step 3: Cross multiply
   45,456.19x = 99,173.81 × 99,173.81
4. Step 4: Simplify right side
   45,456.19x = 9,835,445,085.79
5. Step 5: Solve for x
   x = 9,835,445,085.79/45,456.19
6. Step 6: Final answer
   x = 216,371.98