Finding the Third Proportional to 70,390 and 109,084

Step by Step Solution

1. Step 1: Write the proportion equation
   70,390 : 109,084 = 109,084 : x
2. Step 2: Convert to fraction form
   70,390/109,084 = 109,084/x
3. Step 3: Cross multiply
   70,390x = 109,084 × 109,084
4. Step 4: Simplify right side
   70,390x = 11,899,319,056
5. Step 5: Solve for x
   x = 11,899,319,056/70,390
6. Step 6: Final answer
   x = 169,048.43