Finding the Third Proportional to 21,691 and 45,098

Step by Step Solution

1. Step 1: Write the proportion equation
   21,691 : 45,098 = 45,098 : x
2. Step 2: Convert to fraction form
   21,691/45,098 = 45,098/x
3. Step 3: Cross multiply
   21,691x = 45,098 × 45,098
4. Step 4: Simplify right side
   21,691x = 2,033,829,604
5. Step 5: Solve for x
   x = 2,033,829,604/21,691
6. Step 6: Final answer
   x = 93,763.75