Finding the Third Proportional to 42,876 and 91,905

Step by Step Solution

1. Step 1: Write the proportion equation
   42,876 : 91,905 = 91,905 : x
2. Step 2: Convert to fraction form
   42,876/91,905 = 91,905/x
3. Step 3: Cross multiply
   42,876x = 91,905 × 91,905
4. Step 4: Simplify right side
   42,876x = 8,446,529,025
5. Step 5: Solve for x
   x = 8,446,529,025/42,876
6. Step 6: Final answer
   x = 196,999.00