Finding the Third Proportional to 45,634.36 and 99,871.45

Step by Step Solution

1. Step 1: Write the proportion equation
   45,634.36 : 99,871.45 = 99,871.45 : x
2. Step 2: Convert to fraction form
   45,634.36/99,871.45 = 99,871.45/x
3. Step 3: Cross multiply
   45,634.36x = 99,871.45 × 99,871.45
4. Step 4: Simplify right side
   45,634.36x = 9,974,307,149.30
5. Step 5: Solve for x
   x = 9,974,307,149.30/45,634.36
6. Step 6: Final answer
   x = 218,570.11