Finding the Third Proportional to 35,431 and 53,049

Step by Step Solution

1. Step 1: Write the proportion equation
   35,431 : 53,049 = 53,049 : x
2. Step 2: Convert to fraction form
   35,431/53,049 = 53,049/x
3. Step 3: Cross multiply
   35,431x = 53,049 × 53,049
4. Step 4: Simplify right side
   35,431x = 2,814,196,401
5. Step 5: Solve for x
   x = 2,814,196,401/35,431
6. Step 6: Final answer
   x = 79,427.52