Finding the Third Proportional to 679,306 and 1,439,532

Step by Step Solution

1. Step 1: Write the proportion equation
   679,306 : 1,439,532 = 1,439,532 : x
2. Step 2: Convert to fraction form
   679,306/1,439,532 = 1,439,532/x
3. Step 3: Cross multiply
   679,306x = 1,439,532 × 1,439,532
4. Step 4: Simplify right side
   679,306x = 2,072,252,379,024
5. Step 5: Solve for x
   x = 2,072,252,379,024/679,306
6. Step 6: Final answer
   x = 3,050,543.32