Finding the Third Proportional to 448,479 and 695,135.25

Step by Step Solution

1. Step 1: Write the proportion equation
   448,479 : 695,135.25 = 695,135.25 : x
2. Step 2: Convert to fraction form
   448,479/695,135.25 = 695,135.25/x
3. Step 3: Cross multiply
   448,479x = 695,135.25 × 695,135.25
4. Step 4: Simplify right side
   448,479x = 483,213,015,792.56
5. Step 5: Solve for x
   x = 483,213,015,792.56/448,479
6. Step 6: Final answer
   x = 1,077,448.48