Finding the Third Proportional to 2,488,165,816.50 and 5,345,582,161.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,165,816.50 : 5,345,582,161.50 = 5,345,582,161.50 : x
2. Step 2: Convert to fraction form
   2,488,165,816.50/5,345,582,161.50 = 5,345,582,161.50/x
3. Step 3: Cross multiply
   2,488,165,816.50x = 5,345,582,161.50 × 5,345,582,161.50
4. Step 4: Simplify right side
   2,488,165,816.50x = 28,575,248,645,347,012,608
5. Step 5: Solve for x
   x = 28,575,248,645,347,012,608/2,488,165,816.50
6. Step 6: Final answer
   x = 11,484,463,155.89