Finding the Third Proportional to 42,666.50 and 91,874

Step by Step Solution

1. Step 1: Write the proportion equation
   42,666.50 : 91,874 = 91,874 : x
2. Step 2: Convert to fraction form
   42,666.50/91,874 = 91,874/x
3. Step 3: Cross multiply
   42,666.50x = 91,874 × 91,874
4. Step 4: Simplify right side
   42,666.50x = 8,440,831,876
5. Step 5: Solve for x
   x = 8,440,831,876/42,666.50
6. Step 6: Final answer
   x = 197,832.77