Finding the Third Proportional to 31,424 and 45,444

Step by Step Solution

1. Step 1: Write the proportion equation
   31,424 : 45,444 = 45,444 : x
2. Step 2: Convert to fraction form
   31,424/45,444 = 45,444/x
3. Step 3: Cross multiply
   31,424x = 45,444 × 45,444
4. Step 4: Simplify right side
   31,424x = 2,065,157,136
5. Step 5: Solve for x
   x = 2,065,157,136/31,424
6. Step 6: Final answer
   x = 65,719.10