Finding the Third Proportional to 1,183,428 and 1,922,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,428 : 1,922,688 = 1,922,688 : x
2. Step 2: Convert to fraction form
   1,183,428/1,922,688 = 1,922,688/x
3. Step 3: Cross multiply
   1,183,428x = 1,922,688 × 1,922,688
4. Step 4: Simplify right side
   1,183,428x = 3,696,729,145,344
5. Step 5: Solve for x
   x = 3,696,729,145,344/1,183,428
6. Step 6: Final answer
   x = 3,123,746.56