Finding the Third Proportional to 1,306,416 and 2,665,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,416 : 2,665,318 = 2,665,318 : x
2. Step 2: Convert to fraction form
   1,306,416/2,665,318 = 2,665,318/x
3. Step 3: Cross multiply
   1,306,416x = 2,665,318 × 2,665,318
4. Step 4: Simplify right side
   1,306,416x = 7,103,920,041,124
5. Step 5: Solve for x
   x = 7,103,920,041,124/1,306,416
6. Step 6: Final answer
   x = 5,437,716.65