Finding the Third Proportional to 45,175 and 67,109

Step by Step Solution

1. Step 1: Write the proportion equation
   45,175 : 67,109 = 67,109 : x
2. Step 2: Convert to fraction form
   45,175/67,109 = 67,109/x
3. Step 3: Cross multiply
   45,175x = 67,109 × 67,109
4. Step 4: Simplify right side
   45,175x = 4,503,617,881
5. Step 5: Solve for x
   x = 4,503,617,881/45,175
6. Step 6: Final answer
   x = 99,692.70