Finding the Third Proportional to 49,556 and 70,643

Step by Step Solution

1. Step 1: Write the proportion equation
   49,556 : 70,643 = 70,643 : x
2. Step 2: Convert to fraction form
   49,556/70,643 = 70,643/x
3. Step 3: Cross multiply
   49,556x = 70,643 × 70,643
4. Step 4: Simplify right side
   49,556x = 4,990,433,449
5. Step 5: Solve for x
   x = 4,990,433,449/49,556
6. Step 6: Final answer
   x = 100,702.91