Finding the Third Proportional to 45,256 and 99,436

Step by Step Solution

1. Step 1: Write the proportion equation
   45,256 : 99,436 = 99,436 : x
2. Step 2: Convert to fraction form
   45,256/99,436 = 99,436/x
3. Step 3: Cross multiply
   45,256x = 99,436 × 99,436
4. Step 4: Simplify right side
   45,256x = 9,887,518,096
5. Step 5: Solve for x
   x = 9,887,518,096/45,256
6. Step 6: Final answer
   x = 218,479.72