Finding the Third Proportional to 648,786,238 and 1,343,560,714

Step by Step Solution

1. Step 1: Write the proportion equation
   648,786,238 : 1,343,560,714 = 1,343,560,714 : x
2. Step 2: Convert to fraction form
   648,786,238/1,343,560,714 = 1,343,560,714/x
3. Step 3: Cross multiply
   648,786,238x = 1,343,560,714 × 1,343,560,714
4. Step 4: Simplify right side
   648,786,238x = 1,805,155,392,204,189,696
5. Step 5: Solve for x
   x = 1,805,155,392,204,189,696/648,786,238
6. Step 6: Final answer
   x = 2,782,357,711.18