Finding the Third Proportional to 1,142,216 and 2,705,972

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,216 : 2,705,972 = 2,705,972 : x
2. Step 2: Convert to fraction form
   1,142,216/2,705,972 = 2,705,972/x
3. Step 3: Cross multiply
   1,142,216x = 2,705,972 × 2,705,972
4. Step 4: Simplify right side
   1,142,216x = 7,322,284,464,784
5. Step 5: Solve for x
   x = 7,322,284,464,784/1,142,216
6. Step 6: Final answer
   x = 6,410,595.25