Finding the Third Proportional to 19,300 and 28,878

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300 : 28,878 = 28,878 : x
2. Step 2: Convert to fraction form
   19,300/28,878 = 28,878/x
3. Step 3: Cross multiply
   19,300x = 28,878 × 28,878
4. Step 4: Simplify right side
   19,300x = 833,938,884
5. Step 5: Solve for x
   x = 833,938,884/19,300
6. Step 6: Final answer
   x = 43,209.27