Finding the Third Proportional to 1,085,485 and 1,620,026

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085,485 : 1,620,026 = 1,620,026 : x
2. Step 2: Convert to fraction form
   1,085,485/1,620,026 = 1,620,026/x
3. Step 3: Cross multiply
   1,085,485x = 1,620,026 × 1,620,026
4. Step 4: Simplify right side
   1,085,485x = 2,624,484,240,676
5. Step 5: Solve for x
   x = 2,624,484,240,676/1,085,485
6. Step 6: Final answer
   x = 2,417,798.72