Finding the Third Proportional to 4,162,230 and 9,078,822

Step by Step Solution

1. Step 1: Write the proportion equation
   4,162,230 : 9,078,822 = 9,078,822 : x
2. Step 2: Convert to fraction form
   4,162,230/9,078,822 = 9,078,822/x
3. Step 3: Cross multiply
   4,162,230x = 9,078,822 × 9,078,822
4. Step 4: Simplify right side
   4,162,230x = 82,425,008,907,684
5. Step 5: Solve for x
   x = 82,425,008,907,684/4,162,230
6. Step 6: Final answer
   x = 19,803,088.47