Finding the Third Proportional to 1,645,396 and 2,485,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,645,396 : 2,485,574 = 2,485,574 : x
2. Step 2: Convert to fraction form
   1,645,396/2,485,574 = 2,485,574/x
3. Step 3: Cross multiply
   1,645,396x = 2,485,574 × 2,485,574
4. Step 4: Simplify right side
   1,645,396x = 6,178,078,109,476
5. Step 5: Solve for x
   x = 6,178,078,109,476/1,645,396
6. Step 6: Final answer
   x = 3,754,766.70