Finding the Third Proportional to 2,488,688,411.25 and 5,332,354,238.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,688,411.25 : 5,332,354,238.81 = 5,332,354,238.81 : x
2. Step 2: Convert to fraction form
   2,488,688,411.25/5,332,354,238.81 = 5,332,354,238.81/x
3. Step 3: Cross multiply
   2,488,688,411.25x = 5,332,354,238.81 × 5,332,354,238.81
4. Step 4: Simplify right side
   2,488,688,411.25x = 28,434,001,728,181,637,120
5. Step 5: Solve for x
   x = 28,434,001,728,181,637,120/2,488,688,411.25
6. Step 6: Final answer
   x = 11,425,295,991.11