Finding the Third Proportional to 1,071,574 and 1,621,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,574 : 1,621,137 = 1,621,137 : x
2. Step 2: Convert to fraction form
   1,071,574/1,621,137 = 1,621,137/x
3. Step 3: Cross multiply
   1,071,574x = 1,621,137 × 1,621,137
4. Step 4: Simplify right side
   1,071,574x = 2,628,085,172,769
5. Step 5: Solve for x
   x = 2,628,085,172,769/1,071,574
6. Step 6: Final answer
   x = 2,452,546.60