Finding the Third Proportional to 238,698 and 525,384

Step by Step Solution

1. Step 1: Write the proportion equation
   238,698 : 525,384 = 525,384 : x
2. Step 2: Convert to fraction form
   238,698/525,384 = 525,384/x
3. Step 3: Cross multiply
   238,698x = 525,384 × 525,384
4. Step 4: Simplify right side
   238,698x = 276,028,347,456
5. Step 5: Solve for x
   x = 276,028,347,456/238,698
6. Step 6: Final answer
   x = 1,156,391.54