Finding the Third Proportional to 1,071,576 and 1,621,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,576 : 1,621,140 = 1,621,140 : x
2. Step 2: Convert to fraction form
   1,071,576/1,621,140 = 1,621,140/x
3. Step 3: Cross multiply
   1,071,576x = 1,621,140 × 1,621,140
4. Step 4: Simplify right side
   1,071,576x = 2,628,094,899,600
5. Step 5: Solve for x
   x = 2,628,094,899,600/1,071,576
6. Step 6: Final answer
   x = 2,452,551.10