Finding the Third Proportional to 1,576,621 and 3,447,683

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576,621 : 3,447,683 = 3,447,683 : x
2. Step 2: Convert to fraction form
   1,576,621/3,447,683 = 3,447,683/x
3. Step 3: Cross multiply
   1,576,621x = 3,447,683 × 3,447,683
4. Step 4: Simplify right side
   1,576,621x = 11,886,518,068,489
5. Step 5: Solve for x
   x = 11,886,518,068,489/1,576,621
6. Step 6: Final answer
   x = 7,539,236.17