Finding the Third Proportional to 57,608 and 77,422

Step by Step Solution

1. Step 1: Write the proportion equation
   57,608 : 77,422 = 77,422 : x
2. Step 2: Convert to fraction form
   57,608/77,422 = 77,422/x
3. Step 3: Cross multiply
   57,608x = 77,422 × 77,422
4. Step 4: Simplify right side
   57,608x = 5,994,166,084
5. Step 5: Solve for x
   x = 5,994,166,084/57,608
6. Step 6: Final answer
   x = 104,050.93