Finding the Third Proportional to 13,410 and 28,878

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410 : 28,878 = 28,878 : x
2. Step 2: Convert to fraction form
   13,410/28,878 = 28,878/x
3. Step 3: Cross multiply
   13,410x = 28,878 × 28,878
4. Step 4: Simplify right side
   13,410x = 833,938,884
5. Step 5: Solve for x
   x = 833,938,884/13,410
6. Step 6: Final answer
   x = 62,187.84