Finding the Third Proportional to 415,233 and 622,851.75

Step by Step Solution

1. Step 1: Write the proportion equation
   415,233 : 622,851.75 = 622,851.75 : x
2. Step 2: Convert to fraction form
   415,233/622,851.75 = 622,851.75/x
3. Step 3: Cross multiply
   415,233x = 622,851.75 × 622,851.75
4. Step 4: Simplify right side
   415,233x = 387,944,302,478.06
5. Step 5: Solve for x
   x = 387,944,302,478.06/415,233
6. Step 6: Final answer
   x = 934,281.00