Finding the Third Proportional to 238,383 and 371,653.31

Step by Step Solution

1. Step 1: Write the proportion equation
   238,383 : 371,653.31 = 371,653.31 : x
2. Step 2: Convert to fraction form
   238,383/371,653.31 = 371,653.31/x
3. Step 3: Cross multiply
   238,383x = 371,653.31 × 371,653.31
4. Step 4: Simplify right side
   238,383x = 138,126,184,692.22
5. Step 5: Solve for x
   x = 138,126,184,692.22/238,383
6. Step 6: Final answer
   x = 579,429.68