Finding the Third Proportional to 70,930.50 and 109,980

Step by Step Solution

1. Step 1: Write the proportion equation
   70,930.50 : 109,980 = 109,980 : x
2. Step 2: Convert to fraction form
   70,930.50/109,980 = 109,980/x
3. Step 3: Cross multiply
   70,930.50x = 109,980 × 109,980
4. Step 4: Simplify right side
   70,930.50x = 12,095,600,400
5. Step 5: Solve for x
   x = 12,095,600,400/70,930.50
6. Step 6: Final answer
   x = 170,527.49