Finding the Third Proportional to 58,776 and 89,544

Step by Step Solution

1. Step 1: Write the proportion equation
   58,776 : 89,544 = 89,544 : x
2. Step 2: Convert to fraction form
   58,776/89,544 = 89,544/x
3. Step 3: Cross multiply
   58,776x = 89,544 × 89,544
4. Step 4: Simplify right side
   58,776x = 8,018,127,936
5. Step 5: Solve for x
   x = 8,018,127,936/58,776
6. Step 6: Final answer
   x = 136,418.40