Finding the Third Proportional to 1,427,847 and 3,116,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,847 : 3,116,137 = 3,116,137 : x
2. Step 2: Convert to fraction form
   1,427,847/3,116,137 = 3,116,137/x
3. Step 3: Cross multiply
   1,427,847x = 3,116,137 × 3,116,137
4. Step 4: Simplify right side
   1,427,847x = 9,710,309,802,769
5. Step 5: Solve for x
   x = 9,710,309,802,769/1,427,847
6. Step 6: Final answer
   x = 6,800,665.48