Finding the Third Proportional to 42,866 and 85,110

Step by Step Solution

1. Step 1: Write the proportion equation
   42,866 : 85,110 = 85,110 : x
2. Step 2: Convert to fraction form
   42,866/85,110 = 85,110/x
3. Step 3: Cross multiply
   42,866x = 85,110 × 85,110
4. Step 4: Simplify right side
   42,866x = 7,243,712,100
5. Step 5: Solve for x
   x = 7,243,712,100/42,866
6. Step 6: Final answer
   x = 168,985.03