Finding the Third Proportional to 1,155,746 and 1,721,379

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,746 : 1,721,379 = 1,721,379 : x
2. Step 2: Convert to fraction form
   1,155,746/1,721,379 = 1,721,379/x
3. Step 3: Cross multiply
   1,155,746x = 1,721,379 × 1,721,379
4. Step 4: Simplify right side
   1,155,746x = 2,963,145,661,641
5. Step 5: Solve for x
   x = 2,963,145,661,641/1,155,746
6. Step 6: Final answer
   x = 2,563,838.13