Finding the Third Proportional to 1,317,972 and 2,877,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,972 : 2,877,648 = 2,877,648 : x
2. Step 2: Convert to fraction form
   1,317,972/2,877,648 = 2,877,648/x
3. Step 3: Cross multiply
   1,317,972x = 2,877,648 × 2,877,648
4. Step 4: Simplify right side
   1,317,972x = 8,280,858,011,904
5. Step 5: Solve for x
   x = 8,280,858,011,904/1,317,972
6. Step 6: Final answer
   x = 6,283,030.30