Finding the Third Proportional to 34,328 and 70,860

Step by Step Solution

1. Step 1: Write the proportion equation
   34,328 : 70,860 = 70,860 : x
2. Step 2: Convert to fraction form
   34,328/70,860 = 70,860/x
3. Step 3: Cross multiply
   34,328x = 70,860 × 70,860
4. Step 4: Simplify right side
   34,328x = 5,021,139,600
5. Step 5: Solve for x
   x = 5,021,139,600/34,328
6. Step 6: Final answer
   x = 146,269.51