Finding the Third Proportional to 238,426 and 360,070

Step by Step Solution

1. Step 1: Write the proportion equation
   238,426 : 360,070 = 360,070 : x
2. Step 2: Convert to fraction form
   238,426/360,070 = 360,070/x
3. Step 3: Cross multiply
   238,426x = 360,070 × 360,070
4. Step 4: Simplify right side
   238,426x = 129,650,404,900
5. Step 5: Solve for x
   x = 129,650,404,900/238,426
6. Step 6: Final answer
   x = 543,776.29