Finding the Third Proportional to 451,978.58 and 613,844.34

Step by Step Solution

1. Step 1: Write the proportion equation
   451,978.58 : 613,844.34 = 613,844.34 : x
2. Step 2: Convert to fraction form
   451,978.58/613,844.34 = 613,844.34/x
3. Step 3: Cross multiply
   451,978.58x = 613,844.34 × 613,844.34
4. Step 4: Simplify right side
   451,978.58x = 376,804,874,757.04
5. Step 5: Solve for x
   x = 376,804,874,757.04/451,978.58
6. Step 6: Final answer
   x = 833,678.62