Finding the Third Proportional to 19,470 and 30,418

Step by Step Solution

1. Step 1: Write the proportion equation
   19,470 : 30,418 = 30,418 : x
2. Step 2: Convert to fraction form
   19,470/30,418 = 30,418/x
3. Step 3: Cross multiply
   19,470x = 30,418 × 30,418
4. Step 4: Simplify right side
   19,470x = 925,254,724
5. Step 5: Solve for x
   x = 925,254,724/19,470
6. Step 6: Final answer
   x = 47,522.07