Finding the Third Proportional to 47,122 and 100,781

Step by Step Solution

1. Step 1: Write the proportion equation
   47,122 : 100,781 = 100,781 : x
2. Step 2: Convert to fraction form
   47,122/100,781 = 100,781/x
3. Step 3: Cross multiply
   47,122x = 100,781 × 100,781
4. Step 4: Simplify right side
   47,122x = 10,156,809,961
5. Step 5: Solve for x
   x = 10,156,809,961/47,122
6. Step 6: Final answer
   x = 215,542.85