Finding the Third Proportional to 517,889,259.50 and 1,109,648,818

Step by Step Solution

1. Step 1: Write the proportion equation
   517,889,259.50 : 1,109,648,818 = 1,109,648,818 : x
2. Step 2: Convert to fraction form
   517,889,259.50/1,109,648,818 = 1,109,648,818/x
3. Step 3: Cross multiply
   517,889,259.50x = 1,109,648,818 × 1,109,648,818
4. Step 4: Simplify right side
   517,889,259.50x = 1,231,320,499,288,797,184
5. Step 5: Solve for x
   x = 1,231,320,499,288,797,184/517,889,259.50
6. Step 6: Final answer
   x = 2,377,574,890.19