Finding the Third Proportional to 238,338 and 371,570

Step by Step Solution

1. Step 1: Write the proportion equation
   238,338 : 371,570 = 371,570 : x
2. Step 2: Convert to fraction form
   238,338/371,570 = 371,570/x
3. Step 3: Cross multiply
   238,338x = 371,570 × 371,570
4. Step 4: Simplify right side
   238,338x = 138,064,264,900
5. Step 5: Solve for x
   x = 138,064,264,900/238,338
6. Step 6: Final answer
   x = 579,279.28