Finding the Third Proportional to 42,573 and 86,362

Step by Step Solution

1. Step 1: Write the proportion equation
   42,573 : 86,362 = 86,362 : x
2. Step 2: Convert to fraction form
   42,573/86,362 = 86,362/x
3. Step 3: Cross multiply
   42,573x = 86,362 × 86,362
4. Step 4: Simplify right side
   42,573x = 7,458,395,044
5. Step 5: Solve for x
   x = 7,458,395,044/42,573
6. Step 6: Final answer
   x = 175,190.73