Finding the Third Proportional to 42,256 and 89,898

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256 : 89,898 = 89,898 : x
2. Step 2: Convert to fraction form
   42,256/89,898 = 89,898/x
3. Step 3: Cross multiply
   42,256x = 89,898 × 89,898
4. Step 4: Simplify right side
   42,256x = 8,081,650,404
5. Step 5: Solve for x
   x = 8,081,650,404/42,256
6. Step 6: Final answer
   x = 191,254.51