Finding the Third Proportional to 69,747 and 89,554

Step by Step Solution

1. Step 1: Write the proportion equation
   69,747 : 89,554 = 89,554 : x
2. Step 2: Convert to fraction form
   69,747/89,554 = 89,554/x
3. Step 3: Cross multiply
   69,747x = 89,554 × 89,554
4. Step 4: Simplify right side
   69,747x = 8,019,918,916
5. Step 5: Solve for x
   x = 8,019,918,916/69,747
6. Step 6: Final answer
   x = 114,985.86