Finding the Third Proportional to 30,706 and 45,870

Step by Step Solution

1. Step 1: Write the proportion equation
   30,706 : 45,870 = 45,870 : x
2. Step 2: Convert to fraction form
   30,706/45,870 = 45,870/x
3. Step 3: Cross multiply
   30,706x = 45,870 × 45,870
4. Step 4: Simplify right side
   30,706x = 2,104,056,900
5. Step 5: Solve for x
   x = 2,104,056,900/30,706
6. Step 6: Final answer
   x = 68,522.66