Finding the Third Proportional to 17,991 and 35,523

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991 : 35,523 = 35,523 : x
2. Step 2: Convert to fraction form
   17,991/35,523 = 35,523/x
3. Step 3: Cross multiply
   17,991x = 35,523 × 35,523
4. Step 4: Simplify right side
   17,991x = 1,261,883,529
5. Step 5: Solve for x
   x = 1,261,883,529/17,991
6. Step 6: Final answer
   x = 70,139.71