Finding the Third Proportional to 2,651,638,960 and 3,686,892,944

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651,638,960 : 3,686,892,944 = 3,686,892,944 : x
2. Step 2: Convert to fraction form
   2,651,638,960/3,686,892,944 = 3,686,892,944/x
3. Step 3: Cross multiply
   2,651,638,960x = 3,686,892,944 × 3,686,892,944
4. Step 4: Simplify right side
   2,651,638,960x = 13,593,179,580,516,986,880
5. Step 5: Solve for x
   x = 13,593,179,580,516,986,880/2,651,638,960
6. Step 6: Final answer
   x = 5,126,331,218.38