Finding the Third Proportional to 4,212,970 and 9,076,752

Step by Step Solution

1. Step 1: Write the proportion equation
   4,212,970 : 9,076,752 = 9,076,752 : x
2. Step 2: Convert to fraction form
   4,212,970/9,076,752 = 9,076,752/x
3. Step 3: Cross multiply
   4,212,970x = 9,076,752 × 9,076,752
4. Step 4: Simplify right side
   4,212,970x = 82,387,426,869,504
5. Step 5: Solve for x
   x = 82,387,426,869,504/4,212,970
6. Step 6: Final answer
   x = 19,555,664.26