Finding the Third Proportional to 383,854,956 and 828,875,443

Step by Step Solution

1. Step 1: Write the proportion equation
   383,854,956 : 828,875,443 = 828,875,443 : x
2. Step 2: Convert to fraction form
   383,854,956/828,875,443 = 828,875,443/x
3. Step 3: Cross multiply
   383,854,956x = 828,875,443 × 828,875,443
4. Step 4: Simplify right side
   383,854,956x = 687,034,500,008,446,208
5. Step 5: Solve for x
   x = 687,034,500,008,446,208/383,854,956
6. Step 6: Final answer
   x = 1,789,828,395.52