Finding the Third Proportional to 42,790 and 95,418

Step by Step Solution

1. Step 1: Write the proportion equation
   42,790 : 95,418 = 95,418 : x
2. Step 2: Convert to fraction form
   42,790/95,418 = 95,418/x
3. Step 3: Cross multiply
   42,790x = 95,418 × 95,418
4. Step 4: Simplify right side
   42,790x = 9,104,594,724
5. Step 5: Solve for x
   x = 9,104,594,724/42,790
6. Step 6: Final answer
   x = 212,773.89