Finding the Third Proportional to 605,450 and 1,315,700

Step by Step Solution

1. Step 1: Write the proportion equation
   605,450 : 1,315,700 = 1,315,700 : x
2. Step 2: Convert to fraction form
   605,450/1,315,700 = 1,315,700/x
3. Step 3: Cross multiply
   605,450x = 1,315,700 × 1,315,700
4. Step 4: Simplify right side
   605,450x = 1,731,066,490,000
5. Step 5: Solve for x
   x = 1,731,066,490,000/605,450
6. Step 6: Final answer
   x = 2,859,140.29