Finding the Third Proportional to 4,279,556 and 9,233,200

Step by Step Solution

1. Step 1: Write the proportion equation
   4,279,556 : 9,233,200 = 9,233,200 : x
2. Step 2: Convert to fraction form
   4,279,556/9,233,200 = 9,233,200/x
3. Step 3: Cross multiply
   4,279,556x = 9,233,200 × 9,233,200
4. Step 4: Simplify right side
   4,279,556x = 85,251,982,240,000
5. Step 5: Solve for x
   x = 85,251,982,240,000/4,279,556
6. Step 6: Final answer
   x = 19,920,753.98