Finding the Third Proportional to 757,171 and 1,172,225

Step by Step Solution

1. Step 1: Write the proportion equation
   757,171 : 1,172,225 = 1,172,225 : x
2. Step 2: Convert to fraction form
   757,171/1,172,225 = 1,172,225/x
3. Step 3: Cross multiply
   757,171x = 1,172,225 × 1,172,225
4. Step 4: Simplify right side
   757,171x = 1,374,111,450,625
5. Step 5: Solve for x
   x = 1,374,111,450,625/757,171
6. Step 6: Final answer
   x = 1,814,796.72