Finding the Third Proportional to 99,106 and 213,764

Step by Step Solution

1. Step 1: Write the proportion equation
   99,106 : 213,764 = 213,764 : x
2. Step 2: Convert to fraction form
   99,106/213,764 = 213,764/x
3. Step 3: Cross multiply
   99,106x = 213,764 × 213,764
4. Step 4: Simplify right side
   99,106x = 45,695,047,696
5. Step 5: Solve for x
   x = 45,695,047,696/99,106
6. Step 6: Final answer
   x = 461,072.46