Finding the Third Proportional to 59,320 and 80,070

Step by Step Solution

1. Step 1: Write the proportion equation
   59,320 : 80,070 = 80,070 : x
2. Step 2: Convert to fraction form
   59,320/80,070 = 80,070/x
3. Step 3: Cross multiply
   59,320x = 80,070 × 80,070
4. Step 4: Simplify right side
   59,320x = 6,411,204,900
5. Step 5: Solve for x
   x = 6,411,204,900/59,320
6. Step 6: Final answer
   x = 108,078.30