Finding the Third Proportional to 19,780,564 and 41,076,476

Step by Step Solution

1. Step 1: Write the proportion equation
   19,780,564 : 41,076,476 = 41,076,476 : x
2. Step 2: Convert to fraction form
   19,780,564/41,076,476 = 41,076,476/x
3. Step 3: Cross multiply
   19,780,564x = 41,076,476 × 41,076,476
4. Step 4: Simplify right side
   19,780,564x = 1,687,276,880,578,576
5. Step 5: Solve for x
   x = 1,687,276,880,578,576/19,780,564
6. Step 6: Final answer
   x = 85,299,735.67