Finding the Third Proportional to 1,238,688 and 1,744,346

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,688 : 1,744,346 = 1,744,346 : x
2. Step 2: Convert to fraction form
   1,238,688/1,744,346 = 1,744,346/x
3. Step 3: Cross multiply
   1,238,688x = 1,744,346 × 1,744,346
4. Step 4: Simplify right side
   1,238,688x = 3,042,742,967,716
5. Step 5: Solve for x
   x = 3,042,742,967,716/1,238,688
6. Step 6: Final answer
   x = 2,456,424.03