Finding the Third Proportional to 4,353,270 and 9,063,870

Step by Step Solution

1. Step 1: Write the proportion equation
   4,353,270 : 9,063,870 = 9,063,870 : x
2. Step 2: Convert to fraction form
   4,353,270/9,063,870 = 9,063,870/x
3. Step 3: Cross multiply
   4,353,270x = 9,063,870 × 9,063,870
4. Step 4: Simplify right side
   4,353,270x = 82,153,739,376,900
5. Step 5: Solve for x
   x = 82,153,739,376,900/4,353,270
6. Step 6: Final answer
   x = 18,871,730.76