Finding the Third Proportional to 1,520,871,913 and 3,260,018,414

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520,871,913 : 3,260,018,414 = 3,260,018,414 : x
2. Step 2: Convert to fraction form
   1,520,871,913/3,260,018,414 = 3,260,018,414/x
3. Step 3: Cross multiply
   1,520,871,913x = 3,260,018,414 × 3,260,018,414
4. Step 4: Simplify right side
   1,520,871,913x = 10,627,720,059,619,076,096
5. Step 5: Solve for x
   x = 10,627,720,059,619,076,096/1,520,871,913
6. Step 6: Final answer
   x = 6,987,912,636.68