Finding the Third Proportional to 42,683 and 89,862

Step by Step Solution

1. Step 1: Write the proportion equation
   42,683 : 89,862 = 89,862 : x
2. Step 2: Convert to fraction form
   42,683/89,862 = 89,862/x
3. Step 3: Cross multiply
   42,683x = 89,862 × 89,862
4. Step 4: Simplify right side
   42,683x = 8,075,179,044
5. Step 5: Solve for x
   x = 8,075,179,044/42,683
6. Step 6: Final answer
   x = 189,189.58