Finding the Third Proportional to 1,516,821 and 3,243,594

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,821 : 3,243,594 = 3,243,594 : x
2. Step 2: Convert to fraction form
   1,516,821/3,243,594 = 3,243,594/x
3. Step 3: Cross multiply
   1,516,821x = 3,243,594 × 3,243,594
4. Step 4: Simplify right side
   1,516,821x = 10,520,902,036,836
5. Step 5: Solve for x
   x = 10,520,902,036,836/1,516,821
6. Step 6: Final answer
   x = 6,936,152.68