Finding the Third Proportional to 1,621,658 and 2,281,070

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,658 : 2,281,070 = 2,281,070 : x
2. Step 2: Convert to fraction form
   1,621,658/2,281,070 = 2,281,070/x
3. Step 3: Cross multiply
   1,621,658x = 2,281,070 × 2,281,070
4. Step 4: Simplify right side
   1,621,658x = 5,203,280,344,900
5. Step 5: Solve for x
   x = 5,203,280,344,900/1,621,658
6. Step 6: Final answer
   x = 3,208,617.57