Finding the Third Proportional to 28,776 and 62,886

Step by Step Solution

1. Step 1: Write the proportion equation
   28,776 : 62,886 = 62,886 : x
2. Step 2: Convert to fraction form
   28,776/62,886 = 62,886/x
3. Step 3: Cross multiply
   28,776x = 62,886 × 62,886
4. Step 4: Simplify right side
   28,776x = 3,954,648,996
5. Step 5: Solve for x
   x = 3,954,648,996/28,776
6. Step 6: Final answer
   x = 137,428.73