Finding the Third Proportional to 1,300,309 and 1,725,371

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,309 : 1,725,371 = 1,725,371 : x
2. Step 2: Convert to fraction form
   1,300,309/1,725,371 = 1,725,371/x
3. Step 3: Cross multiply
   1,300,309x = 1,725,371 × 1,725,371
4. Step 4: Simplify right side
   1,300,309x = 2,976,905,087,641
5. Step 5: Solve for x
   x = 2,976,905,087,641/1,300,309
6. Step 6: Final answer
   x = 2,289,382.82