Finding the Third Proportional to 19,387 and 42,702

Step by Step Solution

1. Step 1: Write the proportion equation
   19,387 : 42,702 = 42,702 : x
2. Step 2: Convert to fraction form
   19,387/42,702 = 42,702/x
3. Step 3: Cross multiply
   19,387x = 42,702 × 42,702
4. Step 4: Simplify right side
   19,387x = 1,823,460,804
5. Step 5: Solve for x
   x = 1,823,460,804/19,387
6. Step 6: Final answer
   x = 94,055.85