Finding the Third Proportional to 28,204 and 42,312

Step by Step Solution

1. Step 1: Write the proportion equation
   28,204 : 42,312 = 42,312 : x
2. Step 2: Convert to fraction form
   28,204/42,312 = 42,312/x
3. Step 3: Cross multiply
   28,204x = 42,312 × 42,312
4. Step 4: Simplify right side
   28,204x = 1,790,305,344
5. Step 5: Solve for x
   x = 1,790,305,344/28,204
6. Step 6: Final answer
   x = 63,477.00