Finding the Third Proportional to 45,911.81 and 100,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   45,911.81 : 100,404.56 = 100,404.56 : x
2. Step 2: Convert to fraction form
   45,911.81/100,404.56 = 100,404.56/x
3. Step 3: Cross multiply
   45,911.81x = 100,404.56 × 100,404.56
4. Step 4: Simplify right side
   45,911.81x = 10,081,076,170.82
5. Step 5: Solve for x
   x = 10,081,076,170.82/45,911.81
6. Step 6: Final answer
   x = 219,574.78