Finding the Third Proportional to 45,436 and 99,531

Step by Step Solution

1. Step 1: Write the proportion equation
   45,436 : 99,531 = 99,531 : x
2. Step 2: Convert to fraction form
   45,436/99,531 = 99,531/x
3. Step 3: Cross multiply
   45,436x = 99,531 × 99,531
4. Step 4: Simplify right side
   45,436x = 9,906,419,961
5. Step 5: Solve for x
   x = 9,906,419,961/45,436
6. Step 6: Final answer
   x = 218,030.20