Finding the Third Proportional to 5,326,772 and 8,122,830

Step by Step Solution

1. Step 1: Write the proportion equation
   5,326,772 : 8,122,830 = 8,122,830 : x
2. Step 2: Convert to fraction form
   5,326,772/8,122,830 = 8,122,830/x
3. Step 3: Cross multiply
   5,326,772x = 8,122,830 × 8,122,830
4. Step 4: Simplify right side
   5,326,772x = 65,980,367,208,900
5. Step 5: Solve for x
   x = 65,980,367,208,900/5,326,772
6. Step 6: Final answer
   x = 12,386,557.41