Finding the Third Proportional to 448,980 and 697,079.25

Step by Step Solution

1. Step 1: Write the proportion equation
   448,980 : 697,079.25 = 697,079.25 : x
2. Step 2: Convert to fraction form
   448,980/697,079.25 = 697,079.25/x
3. Step 3: Cross multiply
   448,980x = 697,079.25 × 697,079.25
4. Step 4: Simplify right side
   448,980x = 485,919,480,780.56
5. Step 5: Solve for x
   x = 485,919,480,780.56/448,980
6. Step 6: Final answer
   x = 1,082,274.22