Finding the Third Proportional to 42,518 and 92,690

Step by Step Solution

1. Step 1: Write the proportion equation
   42,518 : 92,690 = 92,690 : x
2. Step 2: Convert to fraction form
   42,518/92,690 = 92,690/x
3. Step 3: Cross multiply
   42,518x = 92,690 × 92,690
4. Step 4: Simplify right side
   42,518x = 8,591,436,100
5. Step 5: Solve for x
   x = 8,591,436,100/42,518
6. Step 6: Final answer
   x = 202,065.86