Finding the Third Proportional to 34,920 and 76,360

Step by Step Solution

1. Step 1: Write the proportion equation
   34,920 : 76,360 = 76,360 : x
2. Step 2: Convert to fraction form
   34,920/76,360 = 76,360/x
3. Step 3: Cross multiply
   34,920x = 76,360 × 76,360
4. Step 4: Simplify right side
   34,920x = 5,830,849,600
5. Step 5: Solve for x
   x = 5,830,849,600/34,920
6. Step 6: Final answer
   x = 166,977.37