Finding the Third Proportional to 407,796 and 869,922.75

Step by Step Solution

1. Step 1: Write the proportion equation
   407,796 : 869,922.75 = 869,922.75 : x
2. Step 2: Convert to fraction form
   407,796/869,922.75 = 869,922.75/x
3. Step 3: Cross multiply
   407,796x = 869,922.75 × 869,922.75
4. Step 4: Simplify right side
   407,796x = 756,765,590,967.56
5. Step 5: Solve for x
   x = 756,765,590,967.56/407,796
6. Step 6: Final answer
   x = 1,855,745.50