Finding the Third Proportional to 1,724,688 and 3,627,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,688 : 3,627,990 = 3,627,990 : x
2. Step 2: Convert to fraction form
   1,724,688/3,627,990 = 3,627,990/x
3. Step 3: Cross multiply
   1,724,688x = 3,627,990 × 3,627,990
4. Step 4: Simplify right side
   1,724,688x = 13,162,311,440,100
5. Step 5: Solve for x
   x = 13,162,311,440,100/1,724,688
6. Step 6: Final answer
   x = 7,631,705.82