Finding the Third Proportional to 238,103 and 359,588

Step by Step Solution

1. Step 1: Write the proportion equation
   238,103 : 359,588 = 359,588 : x
2. Step 2: Convert to fraction form
   238,103/359,588 = 359,588/x
3. Step 3: Cross multiply
   238,103x = 359,588 × 359,588
4. Step 4: Simplify right side
   238,103x = 129,303,529,744
5. Step 5: Solve for x
   x = 129,303,529,744/238,103
6. Step 6: Final answer
   x = 543,057.12