Finding the Third Proportional to 1,155,744 and 1,721,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,744 : 1,721,376 = 1,721,376 : x
2. Step 2: Convert to fraction form
   1,155,744/1,721,376 = 1,721,376/x
3. Step 3: Cross multiply
   1,155,744x = 1,721,376 × 1,721,376
4. Step 4: Simplify right side
   1,155,744x = 2,963,135,333,376
5. Step 5: Solve for x
   x = 2,963,135,333,376/1,155,744
6. Step 6: Final answer
   x = 2,563,833.63