Finding the Third Proportional to 16,651.50 and 35,421

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.50 : 35,421 = 35,421 : x
2. Step 2: Convert to fraction form
   16,651.50/35,421 = 35,421/x
3. Step 3: Cross multiply
   16,651.50x = 35,421 × 35,421
4. Step 4: Simplify right side
   16,651.50x = 1,254,647,241
5. Step 5: Solve for x
   x = 1,254,647,241/16,651.50
6. Step 6: Final answer
   x = 75,347.40