Finding the Third Proportional to 1,029,790 and 2,153,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,029,790 : 2,153,688 = 2,153,688 : x
2. Step 2: Convert to fraction form
   1,029,790/2,153,688 = 2,153,688/x
3. Step 3: Cross multiply
   1,029,790x = 2,153,688 × 2,153,688
4. Step 4: Simplify right side
   1,029,790x = 4,638,372,001,344
5. Step 5: Solve for x
   x = 4,638,372,001,344/1,029,790
6. Step 6: Final answer
   x = 4,504,192.12