Finding the Third Proportional to 448,459 and 695,105

Step by Step Solution

1. Step 1: Write the proportion equation
   448,459 : 695,105 = 695,105 : x
2. Step 2: Convert to fraction form
   448,459/695,105 = 695,105/x
3. Step 3: Cross multiply
   448,459x = 695,105 × 695,105
4. Step 4: Simplify right side
   448,459x = 483,170,961,025
5. Step 5: Solve for x
   x = 483,170,961,025/448,459
6. Step 6: Final answer
   x = 1,077,402.75