Finding the Third Proportional to 1,161,644 and 2,516,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,161,644 : 2,516,318 = 2,516,318 : x
2. Step 2: Convert to fraction form
   1,161,644/2,516,318 = 2,516,318/x
3. Step 3: Cross multiply
   1,161,644x = 2,516,318 × 2,516,318
4. Step 4: Simplify right side
   1,161,644x = 6,331,856,277,124
5. Step 5: Solve for x
   x = 6,331,856,277,124/1,161,644
6. Step 6: Final answer
   x = 5,450,771.73