Finding the Third Proportional to 1,390,682 and 2,887,948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,682 : 2,887,948 = 2,887,948 : x
2. Step 2: Convert to fraction form
   1,390,682/2,887,948 = 2,887,948/x
3. Step 3: Cross multiply
   1,390,682x = 2,887,948 × 2,887,948
4. Step 4: Simplify right side
   1,390,682x = 8,340,243,650,704
5. Step 5: Solve for x
   x = 8,340,243,650,704/1,390,682
6. Step 6: Final answer
   x = 5,997,232.76