Finding the Third Proportional to 74,031 and 105,510

Step by Step Solution

1. Step 1: Write the proportion equation
   74,031 : 105,510 = 105,510 : x
2. Step 2: Convert to fraction form
   74,031/105,510 = 105,510/x
3. Step 3: Cross multiply
   74,031x = 105,510 × 105,510
4. Step 4: Simplify right side
   74,031x = 11,132,360,100
5. Step 5: Solve for x
   x = 11,132,360,100/74,031
6. Step 6: Final answer
   x = 150,374.30