Finding the Third Proportional to 1,111,302 and 1,721,865

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,302 : 1,721,865 = 1,721,865 : x
2. Step 2: Convert to fraction form
   1,111,302/1,721,865 = 1,721,865/x
3. Step 3: Cross multiply
   1,111,302x = 1,721,865 × 1,721,865
4. Step 4: Simplify right side
   1,111,302x = 2,964,819,078,225
5. Step 5: Solve for x
   x = 2,964,819,078,225/1,111,302
6. Step 6: Final answer
   x = 2,667,878.83