Finding the Third Proportional to 2,598,991,965 and 5,674,243,781.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598,991,965 : 5,674,243,781.25 = 5,674,243,781.25 : x
2. Step 2: Convert to fraction form
   2,598,991,965/5,674,243,781.25 = 5,674,243,781.25/x
3. Step 3: Cross multiply
   2,598,991,965x = 5,674,243,781.25 × 5,674,243,781.25
4. Step 4: Simplify right side
   2,598,991,965x = 32,197,042,489,054,298,112
5. Step 5: Solve for x
   x = 32,197,042,489,054,298,112/2,598,991,965
6. Step 6: Final answer
   x = 12,388,280,888.38