Finding the Third Proportional to 2,598,991,967 and 5,674,243,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598,991,967 : 5,674,243,786 = 5,674,243,786 : x
2. Step 2: Convert to fraction form
   2,598,991,967/5,674,243,786 = 5,674,243,786/x
3. Step 3: Cross multiply
   2,598,991,967x = 5,674,243,786 × 5,674,243,786
4. Step 4: Simplify right side
   2,598,991,967x = 32,197,042,542,959,611,904
5. Step 5: Solve for x
   x = 32,197,042,542,959,611,904/2,598,991,967
6. Step 6: Final answer
   x = 12,388,280,899.58