Finding the Third Proportional to 1,334,586 and 3,149,131

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,586 : 3,149,131 = 3,149,131 : x
2. Step 2: Convert to fraction form
   1,334,586/3,149,131 = 3,149,131/x
3. Step 3: Cross multiply
   1,334,586x = 3,149,131 × 3,149,131
4. Step 4: Simplify right side
   1,334,586x = 9,917,026,055,161
5. Step 5: Solve for x
   x = 9,917,026,055,161/1,334,586
6. Step 6: Final answer
   x = 7,430,788.32