Finding the Third Proportional to 1,121,688 and 2,446,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,688 : 2,446,374 = 2,446,374 : x
2. Step 2: Convert to fraction form
   1,121,688/2,446,374 = 2,446,374/x
3. Step 3: Cross multiply
   1,121,688x = 2,446,374 × 2,446,374
4. Step 4: Simplify right side
   1,121,688x = 5,984,745,747,876
5. Step 5: Solve for x
   x = 5,984,745,747,876/1,121,688
6. Step 6: Final answer
   x = 5,335,481.66