Finding the Third Proportional to 40,776 and 57,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,776 : 57,422.25 = 57,422.25 : x
2. Step 2: Convert to fraction form
   40,776/57,422.25 = 57,422.25/x
3. Step 3: Cross multiply
   40,776x = 57,422.25 × 57,422.25
4. Step 4: Simplify right side
   40,776x = 3,297,314,795.06
5. Step 5: Solve for x
   x = 3,297,314,795.06/40,776
6. Step 6: Final answer
   x = 80,864.11