Finding the Third Proportional to 71,070 and 109,520

Step by Step Solution

1. Step 1: Write the proportion equation
   71,070 : 109,520 = 109,520 : x
2. Step 2: Convert to fraction form
   71,070/109,520 = 109,520/x
3. Step 3: Cross multiply
   71,070x = 109,520 × 109,520
4. Step 4: Simplify right side
   71,070x = 11,994,630,400
5. Step 5: Solve for x
   x = 11,994,630,400/71,070
6. Step 6: Final answer
   x = 168,772.06