Finding the Third Proportional to 42,954 and 61,868

Step by Step Solution

1. Step 1: Write the proportion equation
   42,954 : 61,868 = 61,868 : x
2. Step 2: Convert to fraction form
   42,954/61,868 = 61,868/x
3. Step 3: Cross multiply
   42,954x = 61,868 × 61,868
4. Step 4: Simplify right side
   42,954x = 3,827,649,424
5. Step 5: Solve for x
   x = 3,827,649,424/42,954
6. Step 6: Final answer
   x = 89,110.43