Finding the Third Proportional to 19,478 and 30,126

Step by Step Solution

1. Step 1: Write the proportion equation
   19,478 : 30,126 = 30,126 : x
2. Step 2: Convert to fraction form
   19,478/30,126 = 30,126/x
3. Step 3: Cross multiply
   19,478x = 30,126 × 30,126
4. Step 4: Simplify right side
   19,478x = 907,575,876
5. Step 5: Solve for x
   x = 907,575,876/19,478
6. Step 6: Final answer
   x = 46,594.92