Finding the Third Proportional to 1,307,131 and 2,872,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,131 : 2,872,003 = 2,872,003 : x
2. Step 2: Convert to fraction form
   1,307,131/2,872,003 = 2,872,003/x
3. Step 3: Cross multiply
   1,307,131x = 2,872,003 × 2,872,003
4. Step 4: Simplify right side
   1,307,131x = 8,248,401,232,009
5. Step 5: Solve for x
   x = 8,248,401,232,009/1,307,131
6. Step 6: Final answer
   x = 6,310,309.55