Finding the Third Proportional to 16,242.75 and 35,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,242.75 : 35,419.50 = 35,419.50 : x
2. Step 2: Convert to fraction form
   16,242.75/35,419.50 = 35,419.50/x
3. Step 3: Cross multiply
   16,242.75x = 35,419.50 × 35,419.50
4. Step 4: Simplify right side
   16,242.75x = 1,254,540,980.25
5. Step 5: Solve for x
   x = 1,254,540,980.25/16,242.75
6. Step 6: Final answer
   x = 77,236.98