Finding the Third Proportional to 1,317,972 and 2,877,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,972 : 2,877,612 = 2,877,612 : x
2. Step 2: Convert to fraction form
   1,317,972/2,877,612 = 2,877,612/x
3. Step 3: Cross multiply
   1,317,972x = 2,877,612 × 2,877,612
4. Step 4: Simplify right side
   1,317,972x = 8,280,650,822,544
5. Step 5: Solve for x
   x = 8,280,650,822,544/1,317,972
6. Step 6: Final answer
   x = 6,282,873.10