Finding the Third Proportional to 13,128 and 28,776

Step by Step Solution

1. Step 1: Write the proportion equation
   13,128 : 28,776 = 28,776 : x
2. Step 2: Convert to fraction form
   13,128/28,776 = 28,776/x
3. Step 3: Cross multiply
   13,128x = 28,776 × 28,776
4. Step 4: Simplify right side
   13,128x = 828,058,176
5. Step 5: Solve for x
   x = 828,058,176/13,128
6. Step 6: Final answer
   x = 63,075.73