Finding the Third Proportional to 16,422.75 and 35,424

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.75 : 35,424 = 35,424 : x
2. Step 2: Convert to fraction form
   16,422.75/35,424 = 35,424/x
3. Step 3: Cross multiply
   16,422.75x = 35,424 × 35,424
4. Step 4: Simplify right side
   16,422.75x = 1,254,859,776
5. Step 5: Solve for x
   x = 1,254,859,776/16,422.75
6. Step 6: Final answer
   x = 76,409.84