Finding the Third Proportional to 42,396 and 89,058

Step by Step Solution

1. Step 1: Write the proportion equation
   42,396 : 89,058 = 89,058 : x
2. Step 2: Convert to fraction form
   42,396/89,058 = 89,058/x
3. Step 3: Cross multiply
   42,396x = 89,058 × 89,058
4. Step 4: Simplify right side
   42,396x = 7,931,327,364
5. Step 5: Solve for x
   x = 7,931,327,364/42,396
6. Step 6: Final answer
   x = 187,077.26