Finding the Third Proportional to 28,387 and 42,973

Step by Step Solution

1. Step 1: Write the proportion equation
   28,387 : 42,973 = 42,973 : x
2. Step 2: Convert to fraction form
   28,387/42,973 = 42,973/x
3. Step 3: Cross multiply
   28,387x = 42,973 × 42,973
4. Step 4: Simplify right side
   28,387x = 1,846,678,729
5. Step 5: Solve for x
   x = 1,846,678,729/28,387
6. Step 6: Final answer
   x = 65,053.68