Finding the Third Proportional to 4,212,980 and 9,076,770

Step by Step Solution

1. Step 1: Write the proportion equation
   4,212,980 : 9,076,770 = 9,076,770 : x
2. Step 2: Convert to fraction form
   4,212,980/9,076,770 = 9,076,770/x
3. Step 3: Cross multiply
   4,212,980x = 9,076,770 × 9,076,770
4. Step 4: Simplify right side
   4,212,980x = 82,387,753,632,900
5. Step 5: Solve for x
   x = 82,387,753,632,900/4,212,980
6. Step 6: Final answer
   x = 19,555,695.41