Finding the Third Proportional to 715,419 and 1,555,085

Step by Step Solution

1. Step 1: Write the proportion equation
   715,419 : 1,555,085 = 1,555,085 : x
2. Step 2: Convert to fraction form
   715,419/1,555,085 = 1,555,085/x
3. Step 3: Cross multiply
   715,419x = 1,555,085 × 1,555,085
4. Step 4: Simplify right side
   715,419x = 2,418,289,357,225
5. Step 5: Solve for x
   x = 2,418,289,357,225/715,419
6. Step 6: Final answer
   x = 3,380,242.01