Finding the Third Proportional to 215,106 and 444,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,106 : 444,022.50 = 444,022.50 : x
2. Step 2: Convert to fraction form
   215,106/444,022.50 = 444,022.50/x
3. Step 3: Cross multiply
   215,106x = 444,022.50 × 444,022.50
4. Step 4: Simplify right side
   215,106x = 197,155,980,506.25
5. Step 5: Solve for x
   x = 197,155,980,506.25/215,106
6. Step 6: Final answer
   x = 916,552.68