Finding the Third Proportional to 1,340,691 and 2,917,254

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,691 : 2,917,254 = 2,917,254 : x
2. Step 2: Convert to fraction form
   1,340,691/2,917,254 = 2,917,254/x
3. Step 3: Cross multiply
   1,340,691x = 2,917,254 × 2,917,254
4. Step 4: Simplify right side
   1,340,691x = 8,510,370,900,516
5. Step 5: Solve for x
   x = 8,510,370,900,516/1,340,691
6. Step 6: Final answer
   x = 6,347,749.71