Finding the Third Proportional to 403,342.03 and 880,039.69

Step by Step Solution

1. Step 1: Write the proportion equation
   403,342.03 : 880,039.69 = 880,039.69 : x
2. Step 2: Convert to fraction form
   403,342.03/880,039.69 = 880,039.69/x
3. Step 3: Cross multiply
   403,342.03x = 880,039.69 × 880,039.69
4. Step 4: Simplify right side
   403,342.03x = 774,469,851,575.10
5. Step 5: Solve for x
   x = 774,469,851,575.10/403,342.03
6. Step 6: Final answer
   x = 1,920,131.78