Finding the Third Proportional to 233,991 and 359,436

Step by Step Solution

1. Step 1: Write the proportion equation
   233,991 : 359,436 = 359,436 : x
2. Step 2: Convert to fraction form
   233,991/359,436 = 359,436/x
3. Step 3: Cross multiply
   233,991x = 359,436 × 359,436
4. Step 4: Simplify right side
   233,991x = 129,194,238,096
5. Step 5: Solve for x
   x = 129,194,238,096/233,991
6. Step 6: Final answer
   x = 552,133.36