Finding the Third Proportional to 45,640 and 99,036

Step by Step Solution

1. Step 1: Write the proportion equation
   45,640 : 99,036 = 99,036 : x
2. Step 2: Convert to fraction form
   45,640/99,036 = 99,036/x
3. Step 3: Cross multiply
   45,640x = 99,036 × 99,036
4. Step 4: Simplify right side
   45,640x = 9,808,129,296
5. Step 5: Solve for x
   x = 9,808,129,296/45,640
6. Step 6: Final answer
   x = 214,902.04