Finding the Third Proportional to 1,207,709 and 2,604,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,709 : 2,604,574 = 2,604,574 : x
2. Step 2: Convert to fraction form
   1,207,709/2,604,574 = 2,604,574/x
3. Step 3: Cross multiply
   1,207,709x = 2,604,574 × 2,604,574
4. Step 4: Simplify right side
   1,207,709x = 6,783,805,721,476
5. Step 5: Solve for x
   x = 6,783,805,721,476/1,207,709
6. Step 6: Final answer
   x = 5,617,086.34