Finding the Third Proportional to 363,078 and 839,160

Step by Step Solution

1. Step 1: Write the proportion equation
   363,078 : 839,160 = 839,160 : x
2. Step 2: Convert to fraction form
   363,078/839,160 = 839,160/x
3. Step 3: Cross multiply
   363,078x = 839,160 × 839,160
4. Step 4: Simplify right side
   363,078x = 704,189,505,600
5. Step 5: Solve for x
   x = 704,189,505,600/363,078
6. Step 6: Final answer
   x = 1,939,499.24