Finding the Third Proportional to 1,366,688 and 2,731,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,688 : 2,731,756 = 2,731,756 : x
2. Step 2: Convert to fraction form
   1,366,688/2,731,756 = 2,731,756/x
3. Step 3: Cross multiply
   1,366,688x = 2,731,756 × 2,731,756
4. Step 4: Simplify right side
   1,366,688x = 7,462,490,843,536
5. Step 5: Solve for x
   x = 7,462,490,843,536/1,366,688
6. Step 6: Final answer
   x = 5,460,273.92