Finding the Third Proportional to 208,152 and 447,858

Step by Step Solution

1. Step 1: Write the proportion equation
   208,152 : 447,858 = 447,858 : x
2. Step 2: Convert to fraction form
   208,152/447,858 = 447,858/x
3. Step 3: Cross multiply
   208,152x = 447,858 × 447,858
4. Step 4: Simplify right side
   208,152x = 200,576,788,164
5. Step 5: Solve for x
   x = 200,576,788,164/208,152
6. Step 6: Final answer
   x = 963,607.31