Finding the Third Proportional to 42,916 and 89,754

Step by Step Solution

1. Step 1: Write the proportion equation
   42,916 : 89,754 = 89,754 : x
2. Step 2: Convert to fraction form
   42,916/89,754 = 89,754/x
3. Step 3: Cross multiply
   42,916x = 89,754 × 89,754
4. Step 4: Simplify right side
   42,916x = 8,055,780,516
5. Step 5: Solve for x
   x = 8,055,780,516/42,916
6. Step 6: Final answer
   x = 187,710.42