Finding the Third Proportional to 452,181.75 and 622,908

Step by Step Solution

1. Step 1: Write the proportion equation
   452,181.75 : 622,908 = 622,908 : x
2. Step 2: Convert to fraction form
   452,181.75/622,908 = 622,908/x
3. Step 3: Cross multiply
   452,181.75x = 622,908 × 622,908
4. Step 4: Simplify right side
   452,181.75x = 388,014,376,464
5. Step 5: Solve for x
   x = 388,014,376,464/452,181.75
6. Step 6: Final answer
   x = 858,093.84