Finding the Third Proportional to 1,312,517 and 2,056,269

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,517 : 2,056,269 = 2,056,269 : x
2. Step 2: Convert to fraction form
   1,312,517/2,056,269 = 2,056,269/x
3. Step 3: Cross multiply
   1,312,517x = 2,056,269 × 2,056,269
4. Step 4: Simplify right side
   1,312,517x = 4,228,242,200,361
5. Step 5: Solve for x
   x = 4,228,242,200,361/1,312,517
6. Step 6: Final answer
   x = 3,221,476.14