Finding the Third Proportional to 1,516,817 and 3,243,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,817 : 3,243,586 = 3,243,586 : x
2. Step 2: Convert to fraction form
   1,516,817/3,243,586 = 3,243,586/x
3. Step 3: Cross multiply
   1,516,817x = 3,243,586 × 3,243,586
4. Step 4: Simplify right side
   1,516,817x = 10,520,850,139,396
5. Step 5: Solve for x
   x = 10,520,850,139,396/1,516,817
6. Step 6: Final answer
   x = 6,936,136.75