Finding the Third Proportional to 61,312 and 132,384

Step by Step Solution

1. Step 1: Write the proportion equation
   61,312 : 132,384 = 132,384 : x
2. Step 2: Convert to fraction form
   61,312/132,384 = 132,384/x
3. Step 3: Cross multiply
   61,312x = 132,384 × 132,384
4. Step 4: Simplify right side
   61,312x = 17,525,523,456
5. Step 5: Solve for x
   x = 17,525,523,456/61,312
6. Step 6: Final answer
   x = 285,841.65