Finding the Third Proportional to 1,439,423 and 3,100,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,423 : 3,100,279 = 3,100,279 : x
2. Step 2: Convert to fraction form
   1,439,423/3,100,279 = 3,100,279/x
3. Step 3: Cross multiply
   1,439,423x = 3,100,279 × 3,100,279
4. Step 4: Simplify right side
   1,439,423x = 9,611,729,877,841
5. Step 5: Solve for x
   x = 9,611,729,877,841/1,439,423
6. Step 6: Final answer
   x = 6,677,488.05