Finding the Third Proportional to 1,427,848 and 3,116,139

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,848 : 3,116,139 = 3,116,139 : x
2. Step 2: Convert to fraction form
   1,427,848/3,116,139 = 3,116,139/x
3. Step 3: Cross multiply
   1,427,848x = 3,116,139 × 3,116,139
4. Step 4: Simplify right side
   1,427,848x = 9,710,322,267,321
5. Step 5: Solve for x
   x = 9,710,322,267,321/1,427,848
6. Step 6: Final answer
   x = 6,800,669.45