Finding the Third Proportional to 275,076 and 418,233.38

Step by Step Solution

1. Step 1: Write the proportion equation
   275,076 : 418,233.38 = 418,233.38 : x
2. Step 2: Convert to fraction form
   275,076/418,233.38 = 418,233.38/x
3. Step 3: Cross multiply
   275,076x = 418,233.38 × 418,233.38
4. Step 4: Simplify right side
   275,076x = 174,919,155,963.89
5. Step 5: Solve for x
   x = 174,919,155,963.89/275,076
6. Step 6: Final answer
   x = 635,893.92