Finding the Third Proportional to 238,419 and 360,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,419 : 360,058.50 = 360,058.50 : x
2. Step 2: Convert to fraction form
   238,419/360,058.50 = 360,058.50/x
3. Step 3: Cross multiply
   238,419x = 360,058.50 × 360,058.50
4. Step 4: Simplify right side
   238,419x = 129,642,123,422.25
5. Step 5: Solve for x
   x = 129,642,123,422.25/238,419
6. Step 6: Final answer
   x = 543,757.52