Finding the Third Proportional to 70,715 and 100,240

Step by Step Solution

1. Step 1: Write the proportion equation
   70,715 : 100,240 = 100,240 : x
2. Step 2: Convert to fraction form
   70,715/100,240 = 100,240/x
3. Step 3: Cross multiply
   70,715x = 100,240 × 100,240
4. Step 4: Simplify right side
   70,715x = 10,048,057,600
5. Step 5: Solve for x
   x = 10,048,057,600/70,715
6. Step 6: Final answer
   x = 142,092.31